--- handlers/views_handler_filter_boolean_operator.inc	2010-03-13 00:51:00.000000000 +0000
+++ handlers/views_handler_filter_boolean_operator.inc.new	2010-06-21 10:49:17.000000000 +0100
@@ -142,7 +142,7 @@ class views_handler_filter_boolean_opera
       }
     }
     else {
-      $where .= '<> 0';
+      $where .= "<> '0'";
     }
     $this->query->add_where($this->options['group'], $where);
   }