diff --git a/plone/formwidget/querystring/querywidget.js b/plone/formwidget/querystring/querywidget.js
index 69d82af..ded19fc 100644
--- a/plone/formwidget/querystring/querywidget.js
+++ b/plone/formwidget/querystring/querywidget.js
@@ -470,6 +470,7 @@
             $.querywidget.updateSearch();
             return false;
         });
+        $.querywidget.initialized_over = true;
     };
 
 }(jQuery));