diff --git a/addons/portal_anonymous/static/src/js/portal_anonymous.js b/addons/portal_anonymous/static/src/js/portal_anonymous.js
index 8a064f2ada2..d4d38daa3e9 100644
--- a/addons/portal_anonymous/static/src/js/portal_anonymous.js
+++ b/addons/portal_anonymous/static/src/js/portal_anonymous.js
@@ -16,19 +16,28 @@ openerp.portal_anonymous = function(instance) {
                     // then don't change session.user_context.lang
                     if (langs.length > 0) {
                         // Try to get the right user preference in the browser, else
-                        // get the first returned language
+                        // get the shortest language returned ('xx' country code) or
+                        // just the first one
                         var l = _.filter(langs, function(lang) { return lang.code === browser_lang || lang.iso_code === browser_lang; });
                         if (!_.isEmpty(l)) {
                             self.user_context.lang = l[0].code;
                         } else {
-                            self.user_context.lang = langs.sort(function(a, b) {
-                                return a.length - b.length;
-                            })[0].code;
+                            l = _.filter(langs, function(lang) {
+                                return lang.iso_code === _.pluck(langs, 'iso_code')
+                                    .sort(function(a, b) {
+                                        return a.length - b.length;
+                                    })[0];
+                            });
+                            self.user_context.lang = l[0].code;
                         }
                     }
+                    return self.rpc('/web/webclient/translations', { mods: self.module_list, lang: self.user_context.lang }).done(function(trans) {
+                        console.log(trans);
+                        instance.web._t.database.set_bundle(trans);
+                    });
                 });
             }
-            return self._super();
+            return this._super();
         },
     });