diff --git a/Theme/Backend/Components/Calendar/BaseView.php b/Theme/Backend/Components/Calendar/BaseView.php
index 00df473..7cc2d1c 100755
--- a/Theme/Backend/Components/Calendar/BaseView.php
+++ b/Theme/Backend/Components/Calendar/BaseView.php
@@ -42,7 +42,7 @@ class BaseView extends View
     /**
      * {@inheritdoc}
      */
-    public function __construct(?L11nManager $l11n = null, RequestAbstract $request, ResponseAbstract $response)
+    public function __construct(L11nManager $l11n, RequestAbstract $request, ResponseAbstract $response)
     {
         parent::__construct($l11n, $request, $response);
         $this->setTemplate('/Modules/Calendar/Theme/Backend/Components/Calendar/mini');
diff --git a/Theme/Backend/Components/Event/BaseView.php b/Theme/Backend/Components/Event/BaseView.php
index 90e6b10..8328248 100755
--- a/Theme/Backend/Components/Event/BaseView.php
+++ b/Theme/Backend/Components/Event/BaseView.php
@@ -41,7 +41,7 @@ class BaseView extends View
     /**
      * {@inheritdoc}
      */
-    public function __construct(?L11nManager $l11n = null, RequestAbstract $request, ResponseAbstract $response)
+    public function __construct(L11nManager $l11n, RequestAbstract $request, ResponseAbstract $response)
     {
         parent::__construct($l11n, $request, $response);
         $this->setTemplate('/Modules/Calendar/Theme/Backend/Components/Event/popup');