diff --git a/authentic/root.ptl b/authentic/root.ptl
index 52b0265..99f2a79 100644
--- a/authentic/root.ptl
+++ b/authentic/root.ptl
@@ -98,9 +98,10 @@ class RootDirectory(Directory):
         cas = cas.CASDirectory()
 
     def _q_traverse(self, path):
-        if get_request().environ.get('HTTPS') and not get_request().session.ssl and get_request().session.id:
+        request = get_request()
+        if request.environ.get('HTTPS') and not get_request().session.ssl and get_request().session.id:
             get_session_manager().expire_session()
-            get_request().session = get_session_manager().get_session()
+            request.session = get_session_manager().get_session()
         fn = os.path.join(get_publisher().app_dir, 'common_cookie')
         if os.path.exists(fn):
             # on special domain to set cookie, nothing else, let's change root
@@ -109,9 +110,14 @@ class RootDirectory(Directory):
 
         session = get_session()
         if session:
-            get_request().user = session.get_user()
+            request.user = session.get_user()
         else:
-            get_request().user = None
+            request.user = None
+        if request.user:
+            preferred_language = request.user.get_preferred_language()
+            if preferred_language:
+                request.language = preferred_language
+                get_publisher().install_lang(preferred_language)
 
         response = get_response()
         response.filter = {}