diff --git a/Movecraft/types/LargeMerchant.craft b/Movecraft/types/LargeMerchant.craft
index aa40b27..ca01be0 100755
--- a/Movecraft/types/LargeMerchant.craft
+++ b/Movecraft/types/LargeMerchant.craft
@@ -95,6 +95,7 @@ allowedBlocks:
 
 forbiddenBlocks:
     - 7
+    - 34 #Piston Head
 
 canCruise: true
 cruiseSkipBlocks: 4