diff --git a/plugins/UserFlag/flagprofileform.php b/plugins/UserFlag/flagprofileform.php
index 262dad4a77..c20929a20c 100644
--- a/plugins/UserFlag/flagprofileform.php
+++ b/plugins/UserFlag/flagprofileform.php
@@ -47,6 +47,18 @@ require_once INSTALLDIR.'/lib/form.php';
 
 class FlagProfileForm extends ProfileActionForm
 {
+    /**
+     * class of the form
+     * Action this form provides
+     *
+     * @return string class of the form
+     */
+
+    function formClass()
+    {
+        return 'form_entity_flag';
+    }
+
     /**
      * Action this form provides
      *