diff --git a/product/ERP5Wizard/Tool/WizardTool.py b/product/ERP5Wizard/Tool/WizardTool.py
index e69fded298e37fe6e359f9f6175614ec39e97989..bd90a4b73b0eb68927ed4214ae252a06fe322c54 100644
--- a/product/ERP5Wizard/Tool/WizardTool.py
+++ b/product/ERP5Wizard/Tool/WizardTool.py
@@ -425,11 +425,12 @@ class WizardTool(BaseTool):
     parameter_dict['erp5_url'] = self.getPortalObject().absolute_url()
     # add user preffered language
     REQUEST = getattr(self, 'REQUEST', None)
-    if REQUEST is None:
-      parameter_dict['user_preferred_language'] = 'en'
-    else:
-      parameter_dict['user_preferred_language'] = REQUEST.cookies.get('configurator_user_preferred_language', 'en')
-    
+    configurator_user_preferred_language = 'en'
+    if REQUEST is not None:
+      # language value will be in cookie or REQUEST itself.
+      configurator_user_preferred_language = REQUEST.get('configurator_user_preferred_language', configurator_user_preferred_language)
+    parameter_dict['user_preferred_language'] = configurator_user_preferred_language
+
   def _updateParameterDictWithFileUpload(self, parameter_dict):
     """Updates parameter_dict to replace file upload with their file content,
     encoded as XML-RPC Binary