diff --git a/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java b/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java
index 6bf9b0c9..5cc4b744 100644
--- a/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java
+++ b/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java
@@ -57,6 +57,10 @@ public class PistonCalculator implements Listener {
         if (event.getAction() != Action.RIGHT_CLICK_BLOCK) return;
         if (event.getItem() == null) {}
         else if (event.getItem() != null && event.getItem().getType() == Material.SLIME_BALL) {}
+        else if (!event.getItem().getType().isBlock()) {
+            DEBOUNCE.put(event.getPlayer(), System.currentTimeMillis());
+            return;
+        }
         else return;
         if (event.getClickedBlock() == null) return;
         Block clickedBlock = event.getClickedBlock();