diff --git a/src/main/java/refinedstorage/tile/TileController.java b/src/main/java/refinedstorage/tile/TileController.java
index f4c9d2da2..6c7cd01a1 100755
--- a/src/main/java/refinedstorage/tile/TileController.java
+++ b/src/main/java/refinedstorage/tile/TileController.java
@@ -424,7 +424,9 @@ public class TileController extends TileBase implements IEnergyReceiver, ISynchr
             }
         }
 
-        syncItems();
+        if (newStack != null) {
+            syncItems();
+        }
 
         return newStack;
     }