diff --git a/src/main/java/appeng/util/item/AEItemStack.java b/src/main/java/appeng/util/item/AEItemStack.java
index a2a118e77..6e370387f 100644
--- a/src/main/java/appeng/util/item/AEItemStack.java
+++ b/src/main/java/appeng/util/item/AEItemStack.java
@@ -180,7 +180,7 @@ public final class AEItemStack extends AEStack<IAEItemStack> implements IAEItemS
 			return this.fuzzyItemStackComparison( itemStack, otherStack, mode );
 		}
 
-		if( st instanceof IAEItemStack )
+		if( st instanceof ItemStack )
 		{
 			final ItemStack otherStack = (ItemStack) st;