diff --git a/Controller.php b/Controller.php
index df78a1c..261b03c 100644
--- a/Controller.php
+++ b/Controller.php
@@ -104,7 +104,7 @@ class Controller extends ModuleAbstract implements WebInterface
         $navView = new NavigationView($this->app, $request, $response);
         $navView->setTemplate('/Modules/Navigation/Theme/Backend/mid');
         $navView->setNav($nav->getNav());
-        $navView->setLanguage($request->getL11n()->getLanguage());
+        $navView->setLanguage($request->getHeader()->getL11n()->getLanguage());
         $navView->setParent($pageId);
 
         return $navView;
@@ -115,11 +115,11 @@ class Controller extends ModuleAbstract implements WebInterface
         $navObj = \Modules\Navigation\Models\Navigation::getInstance($request, $this->app->dbPool);
         $nav = new \Modules\Navigation\Views\NavigationView($this->app, $request, $response);
         $nav->setNav($navObj->getNav());
-        $nav->setLanguage($request->getL11n()->getLanguage());
+        $nav->setLanguage($request->getHeader()->getL11n()->getLanguage());
         $unread = [];
 
         foreach($this->receiving as $receiving) {
-            $unread[$receiving] = $this->app->moduleManager->get($receiving)->openNav($request->getAccount());
+            $unread[$receiving] = $this->app->moduleManager->get($receiving)->openNav($request->getHeader()->getAccount());
         }
 
         $nav->setData('unread', $unread);
@@ -136,11 +136,11 @@ class Controller extends ModuleAbstract implements WebInterface
                 continue;
             }
 
-            $path =  __DIR__ . '/../..' . $path . '.' . $response->getL11n()->getLanguage() . '.lang.php';
+            $path =  __DIR__ . '/../..' . $path . '.' . $response->getHeader()->getL11n()->getLanguage() . '.lang.php';
 
             /** @noinspection PhpIncludeInspection */
             $lang = include $path;
-            $this->app->l11nManager->loadLanguage($response->getL11n()->getLanguage(), 'Navigation', $lang);
+            $this->app->l11nManager->loadLanguage($response->getHeader()->getL11n()->getLanguage(), 'Navigation', $lang);
         }
     }
 
@@ -159,7 +159,7 @@ class Controller extends ModuleAbstract implements WebInterface
         $navView = new NavigationView($this->app, $request, $response);
         $navView->setTemplate('/Modules/Navigation/Theme/Backend/splash');
         $navView->setNav($nav->getNav());
-        $navView->setLanguage($request->getL11n()->getLanguage());
+        $navView->setLanguage($request->getHeader()->getL11n()->getLanguage());
         $navView->setParent($pageId);
 
         return $navView;