diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
index b517606b9..e120b408b 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
@@ -551,7 +551,7 @@ public class CraftingTask implements ICraftingTask {
                 ItemStack result = network.extractItem(toExtract, toExtract.getCount(), Action.PERFORM);
 
                 if (result != null) {
-                    internalStorage.insert(toExtract, toExtract.getCount(), Action.PERFORM);
+                    internalStorage.insert(toExtract, result.getCount(), Action.PERFORM);
 
                     toRemove.add(result);
                 }
@@ -573,7 +573,7 @@ public class CraftingTask implements ICraftingTask {
                 FluidStack result = network.extractFluid(toExtract, toExtract.amount, Action.PERFORM);
 
                 if (result != null) {
-                    internalFluidStorage.insert(toExtract, toExtract.amount, Action.PERFORM);
+                    internalFluidStorage.insert(toExtract, result.amount, Action.PERFORM);
 
                     toRemove.add(result);
                 }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeConstructor.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeConstructor.java
index 0a839c79a..88a78b767 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeConstructor.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeConstructor.java
@@ -28,6 +28,7 @@ import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTUtil;
+import net.minecraft.server.management.PlayerProfileCache;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.tileentity.TileEntitySkull;
 import net.minecraft.util.EnumFacing;
@@ -39,6 +40,7 @@ import net.minecraft.world.WorldServer;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.common.util.BlockSnapshot;
 import net.minecraftforge.common.util.Constants;
+import net.minecraftforge.common.util.FakePlayer;
 import net.minecraftforge.common.util.FakePlayerFactory;
 import net.minecraftforge.event.world.BlockEvent;
 import net.minecraftforge.fluids.Fluid;
@@ -48,6 +50,7 @@ import net.minecraftforge.items.IItemHandlerModifiable;
 import net.minecraftforge.items.wrapper.CombinedInvWrapper;
 
 import javax.annotation.Nullable;
+import java.util.UUID;
 
 public class NetworkNodeConstructor extends NetworkNode implements IComparable, IType, ICoverable {
     public static final String ID = "constructor";
@@ -145,8 +148,21 @@ public class NetworkNodeConstructor extends NetworkNode implements IComparable,
         }
     }
 
+    private FakePlayer getFakePlayer() {
+        WorldServer world = (WorldServer) this.world;
+        UUID owner = getOwner();
+        if (owner != null) {
+            PlayerProfileCache profileCache = world.getMinecraftServer().getPlayerProfileCache();
+            GameProfile profile = profileCache.getProfileByUUID(owner);
+            if (profile != null) {
+                return FakePlayerFactory.get(world, profile);
+            }
+        }
+        return FakePlayerFactory.getMinecraft(world);
+    }
+
     private boolean canPlace(BlockPos pos, IBlockState state) {
-        BlockEvent.PlaceEvent e = new BlockEvent.PlaceEvent(new BlockSnapshot(world, pos, state), world.getBlockState(pos), FakePlayerFactory.getMinecraft((WorldServer) world), EnumHand.MAIN_HAND);
+        BlockEvent.PlaceEvent e = new BlockEvent.PlaceEvent(new BlockSnapshot(world, pos, state), world.getBlockState(pos), getFakePlayer(), EnumHand.MAIN_HAND);
 
         return !MinecraftForge.EVENT_BUS.post(e);
     }
@@ -174,7 +190,7 @@ public class NetworkNodeConstructor extends NetworkNode implements IComparable,
                     if (item.getItem() instanceof ItemBlock) {
                         ((ItemBlock) item.getItem()).placeBlockAt(
                             took,
-                            FakePlayerFactory.getMinecraft((WorldServer) world),
+                            getFakePlayer(),
                             world,
                             front,
                             getDirection(),
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeDestructor.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeDestructor.java
index 81a1e10df..0ef5ce3b0 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeDestructor.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeDestructor.java
@@ -1,5 +1,6 @@
 package com.raoulvdberge.refinedstorage.apiimpl.network.node;
 
+import com.mojang.authlib.GameProfile;
 import com.raoulvdberge.refinedstorage.RS;
 import com.raoulvdberge.refinedstorage.api.util.Action;
 import com.raoulvdberge.refinedstorage.api.util.IComparer;
@@ -24,6 +25,7 @@ import net.minecraft.entity.item.EntityItem;
 import net.minecraft.inventory.InventoryHelper;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.server.management.PlayerProfileCache;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.tileentity.TileEntityShulkerBox;
 import net.minecraft.util.EnumFacing;
@@ -37,6 +39,7 @@ import net.minecraft.world.WorldServer;
 import net.minecraft.world.chunk.Chunk;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.common.util.Constants;
+import net.minecraftforge.common.util.FakePlayer;
 import net.minecraftforge.common.util.FakePlayerFactory;
 import net.minecraftforge.event.world.BlockEvent;
 import net.minecraftforge.fluids.Fluid;
@@ -52,6 +55,7 @@ import net.minecraftforge.items.wrapper.CombinedInvWrapper;
 import javax.annotation.Nullable;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.UUID;
 
 public class NetworkNodeDestructor extends NetworkNode implements IComparable, IFilterable, IType, ICoverable {
     public static final String ID = "destructor";
@@ -86,6 +90,19 @@ public class NetworkNodeDestructor extends NetworkNode implements IComparable, I
         return RS.INSTANCE.config.destructorUsage + upgrades.getEnergyUsage();
     }
 
+    private FakePlayer getFakePlayer() {
+        WorldServer world = (WorldServer) this.world;
+        UUID owner = getOwner();
+        if (owner != null) {
+            PlayerProfileCache profileCache = world.getMinecraftServer().getPlayerProfileCache();
+            GameProfile profile = profileCache.getProfileByUUID(owner);
+            if (profile != null) {
+                return FakePlayerFactory.get(world, profile);
+            }
+        }
+        return FakePlayerFactory.getMinecraft(world);
+    }
+
     @Override
     public void update() {
         super.update();
@@ -121,7 +138,7 @@ public class NetworkNodeDestructor extends NetworkNode implements IComparable, I
                     new RayTraceResult(new Vec3d(pos.getX(), pos.getY(), pos.getZ()), getDirection().getOpposite()),
                     world,
                     front,
-                    FakePlayerFactory.getMinecraft((WorldServer) world)
+                    getFakePlayer()
                 );
 
                 if (!frontStack.isEmpty()) {
@@ -150,7 +167,7 @@ public class NetworkNodeDestructor extends NetworkNode implements IComparable, I
                             }
                         }
 
-                        BlockEvent.BreakEvent e = new BlockEvent.BreakEvent(world, front, frontBlockState, FakePlayerFactory.getMinecraft((WorldServer) world));
+                        BlockEvent.BreakEvent e = new BlockEvent.BreakEvent(world, front, frontBlockState, getFakePlayer());
 
                         if (!MinecraftForge.EVENT_BUS.post(e)) {
                             world.playEvent(null, 2001, front, Block.getStateId(frontBlockState));