diff --git a/com/Acrobot/ChestShop/Listeners/blockBreak.java b/com/Acrobot/ChestShop/Listeners/blockBreak.java
index ec82925..bbaf84b 100644
--- a/com/Acrobot/ChestShop/Listeners/blockBreak.java
+++ b/com/Acrobot/ChestShop/Listeners/blockBreak.java
@@ -33,7 +33,7 @@ public class blockBreak extends BlockListener {
     }
 
     private static boolean isCorrectSign(Sign sign, Block block) {
-        return sign != null && sign.getBlock() == block || getAttachedFace(sign) == block;
+        return sign != null && (sign.getBlock() == block || getAttachedFace(sign) == block);
     }
 
     private static Block getAttachedFace(Sign sign) {
@@ -54,6 +54,8 @@ public class blockBreak extends BlockListener {
     }
 
     public void onBlockPistonRetract(BlockPistonRetractEvent event) {
-        if (!uSign.isSign(event.getRetractLocation().getBlock()) && cancellingBlockBreak(event.getRetractLocation().getBlock(), null)) event.setCancelled(true);
+        try{
+            if (!uSign.isSign(event.getRetractLocation().getBlock()) && cancellingBlockBreak(event.getRetractLocation().getBlock(), null)) event.setCancelled(true);
+        } catch (Exception ignored){}
     }
 }
diff --git a/plugin.yml b/plugin.yml
index a4b22a0..328e431 100644
--- a/plugin.yml
+++ b/plugin.yml
@@ -2,7 +2,7 @@ name: ChestShop
 
 main: com.Acrobot.ChestShop.ChestShop
 
-version: 3.11
+version: 3.12
 
 
 author: Acrobot