diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index e19067c..e4cbc4f 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -47,7 +47,7 @@ final class ApiController extends Controller
      * @param ResponseAbstract $response Response
      * @param array            $data     Generic data
      *
-     * @return array
+     * @return void
      *
      * @api
      *
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index c04a209..fabddb7 100644
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -16,12 +16,10 @@ namespace Modules\Search\Controller;
 
 use phpOMS\Application\ApplicationAbstract;
 use phpOMS\Contract\RenderableInterface;
-use phpOMS\Message\Http\HttpRequest;
-use phpOMS\Message\Http\HttpResponse;
 use phpOMS\Message\RequestAbstract;
 use phpOMS\Message\ResponseAbstract;
-use phpOMS\Views\View;
 use phpOMS\Router\WebRouter;
+use phpOMS\Views\View;
 
 /**
  * Backend controller
@@ -51,18 +49,18 @@ final class BackendController extends Controller
      * @param ResponseAbstract $response Response
      * @param array            $data     Generic data
      *
-     * @return array
+     * @return RenderableInterface
      *
      * @api
      *
      * @since 1.0.0
      */
-    public function search(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : RenderableInterface
+    public function search(RequestAbstract $request, ResponseAbstract $response, array $data = []) : RenderableInterface
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Search/Theme/Backend/search-result');
 
-        $internalRequest = clone $request;
+        $internalRequest  = clone $request;
         $internalResponse = clone $response;
 
         $internalResponse->header = clone $request->header;
diff --git a/Controller/Controller.php b/Controller/Controller.php
index 16f2da6..1c7581e 100755
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -96,6 +96,10 @@ class Controller extends ModuleAbstract
      */
     public function routeSearch(HttpRequest $request, ResponseAbstract $response, mixed $data = null) : array
     {
+        if ($this->router === null) {
+            return [];
+        }
+
         $this->app->dispatcher->dispatch(
             $this->router->route(
                 $request->getDataString('search') ?? '',
diff --git a/Theme/Backend/Lang/de.lang.php b/Theme/Backend/Lang/de.lang.php
index fbafd47..63aa0b6 100644
--- a/Theme/Backend/Lang/de.lang.php
+++ b/Theme/Backend/Lang/de.lang.php
@@ -13,5 +13,5 @@
 declare(strict_types=1);
 
 return ['Search' => [
-    'NoResults'            => 'Keine Surchergebnisse',
-]];
\ No newline at end of file
+    'NoResults' => 'Keine Surchergebnisse',
+]];
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 4e9c000..ac13327 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -13,5 +13,5 @@
 declare(strict_types=1);
 
 return ['Search' => [
-    'NoResults'            => 'No search results',
-]];
\ No newline at end of file
+    'NoResults' => 'No search results',
+]];
diff --git a/Theme/Backend/search-result.tpl.php b/Theme/Backend/search-result.tpl.php
index a4186a3..abafdc2 100644
--- a/Theme/Backend/search-result.tpl.php
+++ b/Theme/Backend/search-result.tpl.php
@@ -13,7 +13,6 @@
 declare(strict_types=1);
 
 use phpOMS\Uri\UriFactory;
-use phpOMS\Utils\Parser\Markdown\Markdown;
 
 $isEmpty = true;
 ?>