diff --git a/Essentials/src/com/earth2me/essentials/perm/PermissionsExHandler.java b/Essentials/src/com/earth2me/essentials/perm/PermissionsExHandler.java
index 6ceb621ab..78c5fd3d2 100644
--- a/Essentials/src/com/earth2me/essentials/perm/PermissionsExHandler.java
+++ b/Essentials/src/com/earth2me/essentials/perm/PermissionsExHandler.java
@@ -14,7 +14,7 @@ public class PermissionsExHandler extends AbstractVaultHandler {
 
     @Override
     public boolean canBuild(final Player base, final String group) {
-        final PermissionUser user = manager.getUser(base.getName());
+        final PermissionUser user = manager.getUser(base.getUniqueId());
         return user != null && user.getOptionBoolean("build", base.getWorld().getName(), false);
     }
 }
diff --git a/lib/PermissionsEx.jar b/lib/PermissionsEx.jar
index 8711b8eb4..9ad64efbc 100644
Binary files a/lib/PermissionsEx.jar and b/lib/PermissionsEx.jar differ