diff --git a/src/main/java/refinedstorage/gui/GuiGrid.java b/src/main/java/refinedstorage/gui/GuiGrid.java
index 58ef3d817..1882da3b6 100755
--- a/src/main/java/refinedstorage/gui/GuiGrid.java
+++ b/src/main/java/refinedstorage/gui/GuiGrid.java
@@ -7,6 +7,7 @@ import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.init.SoundEvents;
 import net.minecraft.inventory.Slot;
+import net.minecraft.item.ItemStack;
 import net.minecraft.util.math.BlockPos;
 import net.minecraftforge.fml.common.FMLCommonHandler;
 import refinedstorage.RefinedStorage;
@@ -21,7 +22,7 @@ import refinedstorage.network.GridPullFlags;
 import refinedstorage.network.MessageGridCraftingClear;
 import refinedstorage.network.MessageGridCraftingPush;
 import refinedstorage.network.MessageGridPatternCreate;
-import refinedstorage.storage.ItemGroup;
+import refinedstorage.storage.ClientItemGroup;
 import refinedstorage.tile.grid.IGrid;
 import refinedstorage.tile.grid.TileGrid;
 import refinedstorage.tile.grid.WirelessGrid;
@@ -30,15 +31,41 @@ import java.io.IOException;
 import java.util.*;
 
 public class GuiGrid extends GuiBase {
+    private Comparator<ClientItemGroup> quantityComparator = new Comparator<ClientItemGroup>() {
+        @Override
+        public int compare(ClientItemGroup left, ClientItemGroup right) {
+            if (grid.getSortingDirection() == TileGrid.SORTING_DIRECTION_ASCENDING) {
+                return Integer.valueOf(right.getStack().stackSize).compareTo(left.getStack().stackSize);
+            } else if (grid.getSortingDirection() == TileGrid.SORTING_DIRECTION_DESCENDING) {
+                return Integer.valueOf(left.getStack().stackSize).compareTo(right.getStack().stackSize);
+            }
+
+            return 0;
+        }
+    };
+
+    private Comparator<ClientItemGroup> nameComparator = new Comparator<ClientItemGroup>() {
+        @Override
+        public int compare(ClientItemGroup left, ClientItemGroup right) {
+            if (grid.getSortingDirection() == TileGrid.SORTING_DIRECTION_ASCENDING) {
+                return right.getStack().getDisplayName().compareTo(left.getStack().getDisplayName());
+            } else if (grid.getSortingDirection() == TileGrid.SORTING_DIRECTION_DESCENDING) {
+                return left.getStack().getDisplayName().compareTo(right.getStack().getDisplayName());
+            }
+
+            return 0;
+        }
+    };
+
     private ContainerGrid container;
     private IGrid grid;
 
-    private List<ItemGroup> items = new ArrayList<ItemGroup>();
+    private List<ClientItemGroup> items = new ArrayList<ClientItemGroup>();
 
     private GuiTextField searchField;
 
-    private int hoveringSlot;
-    private int hoveringItemId;
+    private int slotNumber;
+    private int slotId;
 
     private Scrollbar scrollbar;
 
@@ -95,43 +122,21 @@ public class GuiGrid extends GuiBase {
             items.addAll(grid.getItemGroups());
 
             if (!searchField.getText().trim().isEmpty()) {
-                Iterator<ItemGroup> t = items.iterator();
+                Iterator<ClientItemGroup> t = items.iterator();
 
                 while (t.hasNext()) {
-                    ItemGroup group = t.next();
+                    ClientItemGroup group = t.next();
 
-                    if (!group.toCachedStack().getDisplayName().toLowerCase().contains(searchField.getText().toLowerCase())) {
+                    if (!group.getStack().getDisplayName().toLowerCase().contains(searchField.getText().toLowerCase())) {
                         t.remove();
                     }
                 }
             }
 
-            Collections.sort(items, new Comparator<ItemGroup>() {
-                @Override
-                public int compare(ItemGroup left, ItemGroup right) {
-                    if (grid.getSortingDirection() == TileGrid.SORTING_DIRECTION_ASCENDING) {
-                        return right.toCachedStack().getDisplayName().compareTo(left.toCachedStack().getDisplayName());
-                    } else if (grid.getSortingDirection() == TileGrid.SORTING_DIRECTION_DESCENDING) {
-                        return left.toCachedStack().getDisplayName().compareTo(right.toCachedStack().getDisplayName());
-                    }
-
-                    return 0;
-                }
-            });
+            Collections.sort(items, nameComparator);
 
             if (grid.getSortingType() == TileGrid.SORTING_TYPE_QUANTITY) {
-                Collections.sort(items, new Comparator<ItemGroup>() {
-                    @Override
-                    public int compare(ItemGroup left, ItemGroup right) {
-                        if (grid.getSortingDirection() == TileGrid.SORTING_DIRECTION_ASCENDING) {
-                            return Integer.valueOf(right.getQuantity()).compareTo(left.getQuantity());
-                        } else if (grid.getSortingDirection() == TileGrid.SORTING_DIRECTION_DESCENDING) {
-                            return Integer.valueOf(left.getQuantity()).compareTo(right.getQuantity());
-                        }
-
-                        return 0;
-                    }
-                });
+                Collections.sort(items, quantityComparator);
             }
         }
 
@@ -150,11 +155,11 @@ public class GuiGrid extends GuiBase {
     }
 
     private boolean isHoveringOverItemInSlot() {
-        return grid.isConnected() && isHoveringOverSlot() && hoveringSlot < items.size();
+        return grid.isConnected() && isHoveringOverSlot() && slotNumber < items.size();
     }
 
     private boolean isHoveringOverSlot() {
-        return hoveringSlot >= 0;
+        return slotNumber >= 0;
     }
 
     public boolean isHoveringOverClear(int mouseX, int mouseY) {
@@ -221,7 +226,7 @@ public class GuiGrid extends GuiBase {
         int x = 8;
         int y = 20;
 
-        this.hoveringSlot = -1;
+        this.slotNumber = -1;
 
         int slot = getOffset() * 9;
 
@@ -229,37 +234,17 @@ public class GuiGrid extends GuiBase {
 
         for (int i = 0; i < 9 * getVisibleRows(); ++i) {
             if (inBounds(x, y, 16, 16, mouseX, mouseY) || !grid.isConnected()) {
-                this.hoveringSlot = slot;
+                this.slotNumber = slot;
 
                 if (slot < items.size()) {
-                    // we need to use the ID, because if we filter, the client-side index will change
-                    // while the server-side's index will still be the same.
-                    this.hoveringItemId = items.get(slot).getId();
+                    slotId = items.get(slot).getId();
                 }
             }
 
             if (slot < items.size()) {
-                int qty = items.get(slot).getQuantity();
+                ItemStack stack = items.get(slot).getStack();
 
-                String text;
-
-                if (qty >= 1000000) {
-                    text = String.format("%.1f", (float) qty / 1000000).replace(",", ".").replace(".0", "") + "M";
-                } else if (qty >= 1000) {
-                    text = String.format("%.1f", (float) qty / 1000).replace(",", ".").replace(".0", "") + "K";
-                } else if (qty == 1) {
-                    text = null;
-                } else if (qty == 0) {
-                    text = t("gui.refinedstorage:grid.craft");
-                } else {
-                    text = String.valueOf(qty);
-                }
-
-                if (this.hoveringSlot == slot && GuiScreen.isShiftKeyDown() && qty > 1) {
-                    text = String.valueOf(qty);
-                }
-
-                drawItem(x, y, items.get(slot).toCachedStack(), true, text);
+                drawItem(x, y, stack, true, formatQuantity(stack.stackSize));
             }
 
             if (inBounds(x, y, 16, 16, mouseX, mouseY) || !grid.isConnected()) {
@@ -287,7 +272,7 @@ public class GuiGrid extends GuiBase {
         }
 
         if (isHoveringOverItemInSlot()) {
-            drawTooltip(mouseX, mouseY, items.get(hoveringSlot).toCachedStack());
+            drawTooltip(mouseX, mouseY, items.get(slotNumber).getStack());
         }
 
         if (isHoveringOverClear(mouseX, mouseY)) {
@@ -299,6 +284,20 @@ public class GuiGrid extends GuiBase {
         }
     }
 
+    private String formatQuantity(int qty) {
+        if (qty >= 1000000) {
+            return String.format("%.1f", (float) qty / 1000000).replace(",", ".").replace(".0", "") + "M";
+        } else if (qty >= 1000) {
+            return String.format("%.1f", (float) qty / 1000).replace(",", ".").replace(".0", "") + "K";
+        } else if (qty == 1) {
+            return null;
+        } else if (qty == 0) {
+            return t("gui.refinedstorage:grid.craft");
+        } else {
+            return String.valueOf(qty);
+        }
+    }
+
     @Override
     public void mouseClicked(int mouseX, int mouseY, int clickedButton) throws IOException {
         super.mouseClicked(mouseX, mouseY, clickedButton);
@@ -316,8 +315,8 @@ public class GuiGrid extends GuiBase {
             if (isHoveringOverSlot() && container.getPlayer().inventory.getItemStack() != null && (clickedButton == 0 || clickedButton == 1)) {
                 grid.onItemPush(-1, clickedButton == 1);
             } else if (isHoveringOverItemInSlot() && container.getPlayer().inventory.getItemStack() == null) {
-                if (items.get(hoveringSlot).getQuantity() == 0 || (GuiScreen.isShiftKeyDown() && GuiScreen.isCtrlKeyDown())) {
-                    FMLCommonHandler.instance().showGuiScreen(new GuiCraftingSettings(this, hoveringItemId));
+                if (items.get(slotNumber).getStack().stackSize == 0 || (GuiScreen.isShiftKeyDown() && GuiScreen.isCtrlKeyDown())) {
+                    FMLCommonHandler.instance().showGuiScreen(new GuiCraftingSettings(this, slotId));
                 } else {
                     int flags = 0;
 
@@ -333,7 +332,7 @@ public class GuiGrid extends GuiBase {
                         flags |= GridPullFlags.PULL_ONE;
                     }
 
-                    grid.onItemPull(hoveringItemId, flags);
+                    grid.onItemPull(slotId, flags);
                 }
             } else if (clickedClear) {
                 RefinedStorage.NETWORK.sendToServer(new MessageGridCraftingClear((TileGrid) grid));
diff --git a/src/main/java/refinedstorage/network/MessageCompareUpdate.java b/src/main/java/refinedstorage/network/MessageCompareUpdate.java
index f0c34ac6c..e3f09e3a7 100755
--- a/src/main/java/refinedstorage/network/MessageCompareUpdate.java
+++ b/src/main/java/refinedstorage/network/MessageCompareUpdate.java
@@ -17,9 +17,9 @@ public class MessageCompareUpdate extends MessageHandlerPlayerToServer<MessageCo
     }
 
     public MessageCompareUpdate(ICompareConfig setting, int compare) {
-        this.x = setting.getMachinePos().getX();
-        this.y = setting.getMachinePos().getY();
-        this.z = setting.getMachinePos().getZ();
+        this.x = ((TileEntity) setting).getPos().getX();
+        this.y = ((TileEntity) setting).getPos().getY();
+        this.z = ((TileEntity) setting).getPos().getZ();
         this.compare = compare;
     }
 
diff --git a/src/main/java/refinedstorage/network/MessageGridItems.java b/src/main/java/refinedstorage/network/MessageGridItems.java
index c01e4862c..5fde2d316 100755
--- a/src/main/java/refinedstorage/network/MessageGridItems.java
+++ b/src/main/java/refinedstorage/network/MessageGridItems.java
@@ -3,10 +3,13 @@ package refinedstorage.network;
 import io.netty.buffer.ByteBuf;
 import net.minecraft.client.Minecraft;
 import net.minecraft.inventory.Container;
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.fml.common.network.ByteBufUtils;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessageHandler;
 import net.minecraftforge.fml.common.network.simpleimpl.MessageContext;
 import refinedstorage.container.ContainerGrid;
+import refinedstorage.storage.ClientItemGroup;
 import refinedstorage.storage.ItemGroup;
 import refinedstorage.tile.controller.TileController;
 
@@ -15,7 +18,7 @@ import java.util.List;
 
 public class MessageGridItems implements IMessage, IMessageHandler<MessageGridItems, IMessage> {
     private TileController controller;
-    private List<ItemGroup> groups = new ArrayList<ItemGroup>();
+    private List<ClientItemGroup> groups = new ArrayList<ClientItemGroup>();
 
     public MessageGridItems() {
     }
@@ -29,7 +32,14 @@ public class MessageGridItems implements IMessage, IMessageHandler<MessageGridIt
         int size = buf.readInt();
 
         for (int i = 0; i < size; ++i) {
-            groups.add(new ItemGroup(buf));
+            int id = buf.readInt();
+
+            int quantity = buf.readInt();
+
+            ItemStack stack = ByteBufUtils.readItemStack(buf);
+            stack.stackSize = quantity;
+
+            groups.add(new ClientItemGroup(id, stack));
         }
     }
 
@@ -38,7 +48,9 @@ public class MessageGridItems implements IMessage, IMessageHandler<MessageGridIt
         buf.writeInt(controller.getItemGroups().size());
 
         for (int i = 0; i < controller.getItemGroups().size(); ++i) {
-            controller.getItemGroups().get(i).toBytes(buf, i);
+            buf.writeInt(i);
+            buf.writeInt(controller.getItemGroups().get(i).getQuantity());
+            ByteBufUtils.writeItemStack(buf, controller.getItemGroups().get(i).toStack());
         }
     }
 
diff --git a/src/main/java/refinedstorage/network/MessageModeToggle.java b/src/main/java/refinedstorage/network/MessageModeToggle.java
index c7202adf5..4632c3b5d 100755
--- a/src/main/java/refinedstorage/network/MessageModeToggle.java
+++ b/src/main/java/refinedstorage/network/MessageModeToggle.java
@@ -17,9 +17,9 @@ public class MessageModeToggle extends MessageHandlerPlayerToServer<MessageModeT
     }
 
     public MessageModeToggle(IModeConfig mode) {
-        this.x = mode.getMachinePos().getX();
-        this.y = mode.getMachinePos().getY();
-        this.z = mode.getMachinePos().getZ();
+        this.x = ((TileEntity) mode).getPos().getX();
+        this.y = ((TileEntity) mode).getPos().getY();
+        this.z = ((TileEntity) mode).getPos().getZ();
     }
 
     @Override
diff --git a/src/main/java/refinedstorage/network/MessageRedstoneModeUpdate.java b/src/main/java/refinedstorage/network/MessageRedstoneModeUpdate.java
index 1e20d1fe7..ba6752aad 100755
--- a/src/main/java/refinedstorage/network/MessageRedstoneModeUpdate.java
+++ b/src/main/java/refinedstorage/network/MessageRedstoneModeUpdate.java
@@ -16,9 +16,9 @@ public class MessageRedstoneModeUpdate extends MessageHandlerPlayerToServer<Mess
     }
 
     public MessageRedstoneModeUpdate(IRedstoneModeConfig setting) {
-        this.x = setting.getMachinePos().getX();
-        this.y = setting.getMachinePos().getY();
-        this.z = setting.getMachinePos().getZ();
+        this.x = ((TileEntity) setting).getPos().getX();
+        this.y = ((TileEntity) setting).getPos().getY();
+        this.z = ((TileEntity) setting).getPos().getZ();
     }
 
     @Override
diff --git a/src/main/java/refinedstorage/storage/ClientItemGroup.java b/src/main/java/refinedstorage/storage/ClientItemGroup.java
new file mode 100755
index 000000000..a24391fb6
--- /dev/null
+++ b/src/main/java/refinedstorage/storage/ClientItemGroup.java
@@ -0,0 +1,21 @@
+package refinedstorage.storage;
+
+import net.minecraft.item.ItemStack;
+
+public final class ClientItemGroup {
+    private int id;
+    private ItemStack stack;
+
+    public ClientItemGroup(int id, ItemStack stack) {
+        this.id = id;
+        this.stack = stack;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public ItemStack getStack() {
+        return stack;
+    }
+}
diff --git a/src/main/java/refinedstorage/storage/ItemGroup.java b/src/main/java/refinedstorage/storage/ItemGroup.java
index 79f577e35..76a8e9ab7 100755
--- a/src/main/java/refinedstorage/storage/ItemGroup.java
+++ b/src/main/java/refinedstorage/storage/ItemGroup.java
@@ -7,22 +7,11 @@ import net.minecraft.nbt.NBTTagCompound;
 import net.minecraftforge.fml.common.network.ByteBufUtils;
 import refinedstorage.RefinedStorageUtils;
 
-public class ItemGroup {
+public final class ItemGroup {
     private Item type;
     private int quantity;
     private int damage;
     private NBTTagCompound tag;
-    // Used clientside
-    private int id;
-    private ItemStack cachedStack;
-
-    public ItemGroup(ByteBuf buf) {
-        this.id = buf.readInt();
-        this.type = Item.getItemById(buf.readInt());
-        this.quantity = buf.readInt();
-        this.damage = buf.readInt();
-        this.tag = buf.readBoolean() ? ByteBufUtils.readTag(buf) : null;
-    }
 
     public ItemGroup(Item type, int quantity, int damage, NBTTagCompound tag) {
         this.type = type;
@@ -35,18 +24,6 @@ public class ItemGroup {
         this(stack.getItem(), stack.stackSize, stack.getItemDamage(), stack.getTagCompound());
     }
 
-    public void toBytes(ByteBuf buf, int id) {
-        buf.writeInt(id);
-        buf.writeInt(Item.getIdFromItem(type));
-        buf.writeInt(quantity);
-        buf.writeInt(damage);
-        buf.writeBoolean(hasTag());
-
-        if (hasTag()) {
-            ByteBufUtils.writeTag(buf, tag);
-        }
-    }
-
     public int getQuantity() {
         return quantity;
     }
@@ -147,10 +124,6 @@ public class ItemGroup {
         return compare(stack, RefinedStorageUtils.COMPARE_NBT | RefinedStorageUtils.COMPARE_DAMAGE);
     }
 
-    public int getId() {
-        return id;
-    }
-
     public ItemGroup copy() {
         return copy(quantity);
     }
@@ -166,12 +139,4 @@ public class ItemGroup {
 
         return stack;
     }
-
-    public ItemStack toCachedStack() {
-        if (cachedStack == null) {
-            cachedStack = toStack();
-        }
-
-        return cachedStack;
-    }
 }
diff --git a/src/main/java/refinedstorage/tile/TileMachine.java b/src/main/java/refinedstorage/tile/TileMachine.java
index 1aa04925e..239caeff6 100755
--- a/src/main/java/refinedstorage/tile/TileMachine.java
+++ b/src/main/java/refinedstorage/tile/TileMachine.java
@@ -131,11 +131,6 @@ public abstract class TileMachine extends TileBase implements ISynchronizedConta
         this.redstoneMode = mode;
     }
 
-    @Override
-    public BlockPos getMachinePos() {
-        return pos;
-    }
-
     @Override
     public void readContainerData(ByteBuf buf) {
         redstoneMode = RedstoneMode.getById(buf.readInt());
diff --git a/src/main/java/refinedstorage/tile/config/ICompareConfig.java b/src/main/java/refinedstorage/tile/config/ICompareConfig.java
index 73675b21a..88414ef61 100755
--- a/src/main/java/refinedstorage/tile/config/ICompareConfig.java
+++ b/src/main/java/refinedstorage/tile/config/ICompareConfig.java
@@ -6,6 +6,4 @@ public interface ICompareConfig {
     int getCompare();
 
     void setCompare(int compare);
-
-    BlockPos getMachinePos();
 }
diff --git a/src/main/java/refinedstorage/tile/config/IModeConfig.java b/src/main/java/refinedstorage/tile/config/IModeConfig.java
index 50eb3b47d..8e4b14517 100755
--- a/src/main/java/refinedstorage/tile/config/IModeConfig.java
+++ b/src/main/java/refinedstorage/tile/config/IModeConfig.java
@@ -6,6 +6,4 @@ public interface IModeConfig {
     void setMode(int mode);
 
     int getMode();
-
-    BlockPos getMachinePos();
 }
diff --git a/src/main/java/refinedstorage/tile/config/IRedstoneModeConfig.java b/src/main/java/refinedstorage/tile/config/IRedstoneModeConfig.java
index 0768b1c9b..70809f5d1 100755
--- a/src/main/java/refinedstorage/tile/config/IRedstoneModeConfig.java
+++ b/src/main/java/refinedstorage/tile/config/IRedstoneModeConfig.java
@@ -6,6 +6,4 @@ public interface IRedstoneModeConfig {
     RedstoneMode getRedstoneMode();
 
     void setRedstoneMode(RedstoneMode mode);
-
-    BlockPos getMachinePos();
 }
diff --git a/src/main/java/refinedstorage/tile/controller/TileController.java b/src/main/java/refinedstorage/tile/controller/TileController.java
index e8c911557..5a1f59c66 100755
--- a/src/main/java/refinedstorage/tile/controller/TileController.java
+++ b/src/main/java/refinedstorage/tile/controller/TileController.java
@@ -545,11 +545,6 @@ public class TileController extends TileBase implements IEnergyReceiver, ISynchr
         markDirty();
     }
 
-    @Override
-    public BlockPos getMachinePos() {
-        return pos;
-    }
-
     public List<ClientSideMachine> getClientSideMachines() {
         return clientSideMachines;
     }
diff --git a/src/main/java/refinedstorage/tile/grid/IGrid.java b/src/main/java/refinedstorage/tile/grid/IGrid.java
index c8b5b9bd1..1e78192b0 100755
--- a/src/main/java/refinedstorage/tile/grid/IGrid.java
+++ b/src/main/java/refinedstorage/tile/grid/IGrid.java
@@ -2,6 +2,7 @@ package refinedstorage.tile.grid;
 
 import net.minecraft.util.math.BlockPos;
 import refinedstorage.block.EnumGridType;
+import refinedstorage.storage.ClientItemGroup;
 import refinedstorage.storage.ItemGroup;
 import refinedstorage.tile.config.IRedstoneModeConfig;
 
@@ -10,9 +11,9 @@ import java.util.List;
 public interface IGrid {
     EnumGridType getType();
 
-    List<ItemGroup> getItemGroups();
+    List<ClientItemGroup> getItemGroups();
 
-    void setItemGroups(List<ItemGroup> groups);
+    void setItemGroups(List<ClientItemGroup> groups);
 
     BlockPos getControllerPos();
 
diff --git a/src/main/java/refinedstorage/tile/grid/TileGrid.java b/src/main/java/refinedstorage/tile/grid/TileGrid.java
index 53151e618..98e23f32b 100755
--- a/src/main/java/refinedstorage/tile/grid/TileGrid.java
+++ b/src/main/java/refinedstorage/tile/grid/TileGrid.java
@@ -24,6 +24,7 @@ import refinedstorage.network.MessageGridCraftingStart;
 import refinedstorage.network.MessageGridSettingsUpdate;
 import refinedstorage.network.MessageGridStoragePull;
 import refinedstorage.network.MessageGridStoragePush;
+import refinedstorage.storage.ClientItemGroup;
 import refinedstorage.storage.ItemGroup;
 import refinedstorage.tile.TileMachine;
 import refinedstorage.tile.config.IRedstoneModeConfig;
@@ -69,7 +70,7 @@ public class TileGrid extends TileMachine implements IGrid {
     private int sortingType = SORTING_TYPE_NAME;
     private int searchBoxMode = SEARCH_BOX_MODE_NORMAL;
 
-    private List<ItemGroup> itemGroups = new ArrayList<ItemGroup>();
+    private List<ClientItemGroup> itemGroups = new ArrayList<ClientItemGroup>();
 
     @Override
     public int getEnergyUsage() {
@@ -89,12 +90,12 @@ public class TileGrid extends TileMachine implements IGrid {
     }
 
     @Override
-    public List<ItemGroup> getItemGroups() {
+    public List<ClientItemGroup> getItemGroups() {
         return itemGroups;
     }
 
     @Override
-    public void setItemGroups(List<ItemGroup> itemGroups) {
+    public void setItemGroups(List<ClientItemGroup> itemGroups) {
         this.itemGroups = itemGroups;
     }
 
diff --git a/src/main/java/refinedstorage/tile/grid/WirelessGrid.java b/src/main/java/refinedstorage/tile/grid/WirelessGrid.java
index d179ace16..ad272dcf6 100755
--- a/src/main/java/refinedstorage/tile/grid/WirelessGrid.java
+++ b/src/main/java/refinedstorage/tile/grid/WirelessGrid.java
@@ -13,6 +13,7 @@ import refinedstorage.network.MessageWirelessGridCraftingStart;
 import refinedstorage.network.MessageWirelessGridSettingsUpdate;
 import refinedstorage.network.MessageWirelessGridStoragePull;
 import refinedstorage.network.MessageWirelessGridStoragePush;
+import refinedstorage.storage.ClientItemGroup;
 import refinedstorage.storage.ItemGroup;
 import refinedstorage.tile.config.IRedstoneModeConfig;
 import refinedstorage.tile.controller.TileController;
@@ -26,7 +27,7 @@ public class WirelessGrid implements IGrid {
     private int sortingType;
     private int sortingDirection;
     private int searchBoxMode;
-    private List<ItemGroup> itemGroups = new ArrayList<ItemGroup>();
+    private List<ClientItemGroup> itemGroups = new ArrayList<ClientItemGroup>();
     private long lastUpdate;
 
     public WirelessGrid(ItemStack stack, EnumHand hand) {
@@ -43,12 +44,12 @@ public class WirelessGrid implements IGrid {
     }
 
     @Override
-    public List<ItemGroup> getItemGroups() {
+    public List<ClientItemGroup> getItemGroups() {
         return itemGroups;
     }
 
     @Override
-    public void setItemGroups(List<ItemGroup> groups) {
+    public void setItemGroups(List<ClientItemGroup> groups) {
         this.itemGroups = groups;
         this.lastUpdate = System.currentTimeMillis();
     }