diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 46f9bd8..181614c 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -115,7 +115,7 @@ final class BackendController extends Controller
     public function loadLanguage(RequestAbstract $request, ResponseAbstract $response) : void
     {
         $languages = $this->app->moduleManager->getLanguageFiles($request);
-        $langCode  = $response->getHeader()->getL11n()->getLanguage();
+        $langCode  = $response->getLanguage();
 
         foreach ($languages as $path) {
             $path = __DIR__ . '/../../..' . $path . '.' . $langCode . '.lang.php';
diff --git a/Controller/SearchController.php b/Controller/SearchController.php
index 8396ffe..9589e9f 100755
--- a/Controller/SearchController.php
+++ b/Controller/SearchController.php
@@ -68,7 +68,7 @@ final class SearchController extends Controller
             }
 
             $name = \mb_strtolower($this->app->l11nManager->getText(
-                $response->getHeader()->getL11n()->getLanguage() ?? 'en',
+                $response->getLanguage() ?? 'en',
                 'Navigation', '0',
                 $element->name,
             ));
@@ -109,7 +109,7 @@ final class SearchController extends Controller
     private function loadLanguage(RequestAbstract $request, ResponseAbstract $response, string $app) : void
     {
         $languages = $this->app->moduleManager->getLanguageFiles($request, $app);
-        $langCode  = $response->getHeader()->getL11n()->getLanguage();
+        $langCode  = $response->getLanguage();
 
         foreach ($languages as $path) {
             $path = __DIR__ . '/../../..' . $path . '.' . $langCode . '.lang.php';
diff --git a/Controller/TimerecordingController.php b/Controller/TimerecordingController.php
index 59af48b..c3e4ee2 100755
--- a/Controller/TimerecordingController.php
+++ b/Controller/TimerecordingController.php
@@ -110,7 +110,7 @@ final class TimerecordingController extends Controller
     public function loadLanguage(RequestAbstract $request, ResponseAbstract $response) : void
     {
         $languages = $this->app->moduleManager->getLanguageFiles($request);
-        $langCode  = $response->getHeader()->getL11n()->getLanguage();
+        $langCode  = $response->getLanguage();
 
         foreach ($languages as $path) {
             $path = __DIR__ . '/../../..' . $path . '.' . $langCode . '.lang.php';