diff -r c4e5bb735ec1 -r 33a413910b75 src/p4l/models/user.py
--- a/src/p4l/models/user.py	Thu Sep 05 13:09:57 2013 +0200
+++ b/src/p4l/models/user.py	Thu Sep 05 13:25:32 2013 +0200
@@ -6,8 +6,9 @@
 '''
 from django.conf import settings
 from django.contrib.auth.models import AbstractUser
+from django.contrib.auth.signals import user_logged_in
 from django.db import models
-from p4l.models.common import P4lModel
+from django.dispatch.dispatcher import receiver
 
 class User(AbstractUser):
     language = models.CharField(max_length=2, default=settings.LANGUAGE_CODE[:2])
@@ -15,3 +16,9 @@
     class Meta:
         app_label = 'p4l'
 
+@receiver(user_logged_in)
+def lang(sender, **kwargs):
+    user = kwargs.get('user', None)
+    request = kwargs.get('request', None)    
+    if user and request:
+        request.session['django_language'] = user.language or settings.LANGUAGE_CODE[:2]