diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java
index 3efa158a4..867b03ab5 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStep.java
@@ -80,20 +80,6 @@ public abstract class CraftingStep implements ICraftingStep {
         return pattern.getInputs().stream().filter(Objects::nonNull).collect(Collectors.toList());
     }
 
-    @Override
-    public boolean canStartProcessing(IItemStackList items, IFluidStackList fluids) {
-        for (ItemStack stack : getToInsert()) {
-            ItemStack actualStack = items.get(stack, IComparer.COMPARE_DAMAGE | IComparer.COMPARE_NBT | (pattern.isOredict() ? IComparer.COMPARE_OREDICT : 0));
-
-            if (actualStack == null || actualStack.stackSize == 0 || !items.trackedRemove(actualStack, stack.stackSize, true)) {
-                items.undo();
-                return false;
-            }
-        }
-        items.undo();
-        return true;
-    }
-
     @Override
     public void setStartedProcessing() {
         startedProcessing = true;
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStepProcess.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStepProcess.java
index 2d6116f60..5cfc3813c 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStepProcess.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/autocrafting/task/CraftingStepProcess.java
@@ -3,6 +3,8 @@ package com.raoulvdberge.refinedstorage.apiimpl.autocrafting.task;
 import com.raoulvdberge.refinedstorage.api.autocrafting.ICraftingPattern;
 import com.raoulvdberge.refinedstorage.api.network.INetworkMaster;
 import com.raoulvdberge.refinedstorage.api.util.IComparer;
+import com.raoulvdberge.refinedstorage.api.util.IFluidStackList;
+import com.raoulvdberge.refinedstorage.api.util.IItemStackList;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraftforge.fluids.FluidStack;
@@ -22,12 +24,32 @@ public class CraftingStepProcess extends CraftingStep {
         super(network);
     }
 
+    @Override
+    public boolean canStartProcessing(IItemStackList items, IFluidStackList fluids) {
+        IItemHandler inventory = getPattern().getContainer().getFacingInventory();
+        if (inventory != null) {
+            for (ItemStack stack : getToInsert()) {
+                ItemStack actualStack = items.get(stack, IComparer.COMPARE_DAMAGE | IComparer.COMPARE_NBT | (pattern.isOredict() ? IComparer.COMPARE_OREDICT : 0));
+
+                boolean canInsert = ItemHandlerHelper.insertItem(inventory, ItemHandlerHelper.copyStackWithSize(actualStack, stack.stackSize), true) == null;
+                if (actualStack == null || actualStack.stackSize == 0 || !items.trackedRemove(actualStack, stack.stackSize, true) && canInsert) {
+                    items.undo();
+                    return false;
+                }
+            }
+            items.undo();
+            return true;
+        }
+        return false;
+    }
+
     @Override
     public void execute(Deque<ItemStack> toInsertItems, Deque<FluidStack> toInsertFluids) {
         // @TODO: fluid handling
         IItemHandler inventory = getPattern().getContainer().getFacingInventory();
+        int compare = CraftingTask.DEFAULT_COMPARE | (getPattern().isOredict() ? IComparer.COMPARE_OREDICT : 0);
         for (ItemStack insertStack : getToInsert()) {
-            ItemStack tookStack = network.extractItem(insertStack, insertStack.stackSize, CraftingTask.DEFAULT_COMPARE | (getPattern().isOredict() ? IComparer.COMPARE_OREDICT : 0));
+            ItemStack tookStack = network.extractItem(insertStack, insertStack.stackSize, compare);
             ItemHandlerHelper.insertItem(inventory, tookStack, false);
         }
     }