diff --git a/product/ERP5Type/tests/testLocalizer.py b/product/ERP5Type/tests/testLocalizer.py
index 00f0f4bda6a18994edd726ad1853a39408c69db7..a9130619f0b3d42c2ab62a2874c4a77749060858 100644
--- a/product/ERP5Type/tests/testLocalizer.py
+++ b/product/ERP5Type/tests/testLocalizer.py
@@ -33,7 +33,7 @@ from Persistence import PersistentMapping
 
 class TestLocalizer(ERP5TypeTestCase):
   def afterSetUp(self):
-    self.message_catalog = self.Localizer.erp5_ui
+    self.message_catalog = self.portal.Localizer.erp5_ui
     if 'fr' not in self.message_catalog.get_available_languages():
       self.message_catalog.add_language('fr')
     self.message_catalog._messages.clear()