diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java b/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java
index fba74619..41a7050d 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java
@@ -86,7 +86,7 @@ public class PistonCalculator implements Listener {
             for (BlockFace face : FACES) {
                 Block block = current.getRelative(face);
                 if (block.getType().isAir()) continue;
-                if (!isPiston(block) && (block.getPistonMoveReaction() == PistonMoveReaction.BLOCK || block.getPistonMoveReaction() == PistonMoveReaction.IGNORE || block.getPistonMoveReaction() == PistonMoveReaction.PUSH_ONLY || block.getState() instanceof TileState)) continue;
+                if (!isPiston(block) && (block.getPistonMoveReaction() == PistonMoveReaction.BLOCK || block.getPistonMoveReaction() == PistonMoveReaction.IGNORE || block.getPistonMoveReaction() == PistonMoveReaction.PUSH_ONLY || block.getState() instanceof TileState || block.getPistonMoveReaction() == PistonMoveReaction.BREAK)) continue;
                 if (block.getType() != oppositeType) {
                     if (!blockSet.contains(block)) toCalc.add(block);
                     calcDirection(null, origin, block, null, facing, direction, blockSet, toCalc, unmovable);