diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 86c6933..d9bb000 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -46,7 +46,7 @@ final class BackendController extends Controller
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Checklist/Theme/Backend/checklist-list');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1003601001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1003601001, $request, $response);
 
         return $view;
     }
@@ -67,7 +67,7 @@ final class BackendController extends Controller
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Checklist/Theme/Backend/checklist-template-list');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1003601001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1003601001, $request, $response);
 
         return $view;
     }
@@ -88,7 +88,7 @@ final class BackendController extends Controller
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Checklist/Theme/Backend/checklist-template-create');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1003601001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1003601001, $request, $response);
 
         return $view;
     }
diff --git a/Theme/Backend/checklist-list.tpl.php b/Theme/Backend/checklist-list.tpl.php
index 401b148..837e11e 100755
--- a/Theme/Backend/checklist-list.tpl.php
+++ b/Theme/Backend/checklist-list.tpl.php
@@ -23,7 +23,7 @@ $footerView->setPages(25);
 $footerView->setPage(1);
 $footerView->setResults(1);
 
-echo $this->getData('nav')->render(); ?>
+echo $this->data['nav']->render(); ?>
 
 <div class="row">
     <div class="col-xs-12">
diff --git a/Theme/Backend/checklist-template-create.tpl.php b/Theme/Backend/checklist-template-create.tpl.php
index 891d0f3..248b2b3 100755
--- a/Theme/Backend/checklist-template-create.tpl.php
+++ b/Theme/Backend/checklist-template-create.tpl.php
@@ -16,7 +16,7 @@ declare(strict_types=1);
  * @var \phpOMS\Views\View $this
  */
 
-echo $this->getData('nav')->render(); ?>
+echo $this->data['nav']->render(); ?>
 
 <div class="row">
     <div class="col-xs-12 col-md-6">
diff --git a/Theme/Backend/checklist-template-list.tpl.php b/Theme/Backend/checklist-template-list.tpl.php
index 9a80c4d..5348604 100755
--- a/Theme/Backend/checklist-template-list.tpl.php
+++ b/Theme/Backend/checklist-template-list.tpl.php
@@ -23,7 +23,7 @@ $footerView->setPages(25);
 $footerView->setPage(1);
 $footerView->setResults(1);
 
-echo $this->getData('nav')->render(); ?>
+echo $this->data['nav']->render(); ?>
 
 <div class="row">
     <div class="col-xs-12">