--- a/src/pyams_security/zmi/plugin/userfolder.py	Wed Apr 11 11:39:16 2018 +0200
+++ b/src/pyams_security/zmi/plugin/userfolder.py	Wed Apr 11 11:40:14 2018 +0200
@@ -114,6 +114,8 @@
 class UsersFolderEditForm(AdminDialogEditForm):
     """Users folder plug-in edit form"""
 
+    prefix = 'users_properties.'
+
     @property
     def title(self):
         return self.context.title
@@ -323,14 +325,18 @@
 
     def get_ajax_output(self, changes):
         translate = self.request.localizer.translate
-        return {'status': 'success',
-                'message': translate(_("User was created successfully"))}
+        return {
+            'status': 'success',
+            'message': translate(_("User was created successfully"))
+        }
 
 
 @pagelet_config(name='properties.html', context=ILocalUser, layer=IPyAMSLayer, permission=VIEW_SYSTEM_PERMISSION)
 class LocalUserEditForm(AdminDialogEditForm):
     """Local user edit form"""
 
+    prefix = 'user_properties.'
+
     @property
     def title(self):
         return self.context.title