diff --git a/web_warning_on_save/controllers/controller.py b/web_warning_on_save/controllers/controller.py
index 58342a43b..67336390e 100644
--- a/web_warning_on_save/controllers/controller.py
+++ b/web_warning_on_save/controllers/controller.py
@@ -34,7 +34,7 @@ class WarningOnSaveController(openerp.addons.web.http.Controller):
         """
         m = req.session.model(model)
         try:
-            return getattr(m, 'check_warning_on_save')(id, req.context)
+            return m.check_warning_on_save(id, req.context)
 
         except xmlrpclib.Fault as e:
             if 'AttributeError' in e.faultString: