diff --git a/Essentials/src/config.yml b/Essentials/src/config.yml
index 1e9973dbd..98136f01f 100644
--- a/Essentials/src/config.yml
+++ b/Essentials/src/config.yml
@@ -992,7 +992,7 @@ protect:
     # Which blocks should people be prevented from breaking?
     break:
 
-    # Which blocks should not be pushed by pistons?
+    # Which blocks should not be moved by pistons?
     piston:
 
     # Which blocks should not be dispensed by dispensers
diff --git a/EssentialsAntiBuild/src/com/earth2me/essentials/antibuild/EssentialsAntiBuildListener.java b/EssentialsAntiBuild/src/com/earth2me/essentials/antibuild/EssentialsAntiBuildListener.java
index c12cd4735..3e626013d 100644
--- a/EssentialsAntiBuild/src/com/earth2me/essentials/antibuild/EssentialsAntiBuildListener.java
+++ b/EssentialsAntiBuild/src/com/earth2me/essentials/antibuild/EssentialsAntiBuildListener.java
@@ -277,9 +277,11 @@ public class EssentialsAntiBuildListener implements Listener {
         if (!event.isSticky()) {
             return;
         }
-        final Block block = event.getBlock();
-        if (prot.checkProtectionItems(AntiBuildConfig.blacklist_piston, block.getType())) {
-            event.setCancelled(true);
+        for (Block block : event.getBlocks()) {
+            if (prot.checkProtectionItems(AntiBuildConfig.blacklist_piston, block.getType())) {
+                event.setCancelled(true);
+                return;
+            }
         }
     }