diff --git a/parts/automation/PartImportBus.java b/parts/automation/PartImportBus.java
index 3774e8ac8..41805bf04 100644
--- a/parts/automation/PartImportBus.java
+++ b/parts/automation/PartImportBus.java
@@ -66,6 +66,9 @@ public class PartImportBus extends PartSharedItemBus implements IGridTickable, I
 	@Override
 	public boolean canInsert(ItemStack stack)
 	{
+		if ( stack == null || stack.getItem() == null )
+			return false;
+		
 		IAEItemStack out = destination.injectItems( lastItemChecked = AEApi.instance().storage().createItemStack( stack ), Actionable.SIMULATE, mySrc );
 		if ( out == null )
 			return true;