diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 493a79a..1c803b6 100644
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * Orange Management
  *
@@ -10,6 +11,7 @@
  * @version   1.0.0
  * @link      https://orange-management.org
  */
+
 declare(strict_types=1);
 
 namespace Modules\Comments\Controller;
@@ -48,7 +50,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiCommentListCreate(RequestAbstract $request, ResponseAbstract $response, $data = null) : void
+    public function apiCommentListCreate(RequestAbstract $request, ResponseAbstract $response, $data = null): void
     {
         $commentList = $this->createCommentList();
         $this->createModel($request->getHeader()->getAccount(), $commentList, CommentListMapper::class, 'comment_list', $request->getOrigin());
@@ -61,7 +63,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function createCommentList() : CommentList
+    public function createCommentList(): CommentList
     {
         $list = new CommentList();
         // @todo: allow config
@@ -82,10 +84,11 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiCommentCreate(RequestAbstract $request, ResponseAbstract $response, $data = null) : void
+    public function apiCommentCreate(RequestAbstract $request, ResponseAbstract $response, $data = null): void
     {
         if (!empty($val = $this->validateCommentCreate($request))) {
             $response->set('news_create', new FormValidation($val));
+            $response->getHeader()->setStatusCode(RequestStatusCode::R_400);
 
             return;
         }
@@ -104,7 +107,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    private function validateCommentCreate(RequestAbstract $request) : array
+    private function validateCommentCreate(RequestAbstract $request): array
     {
         $val = [];
         if (($val['title'] = empty($request->getData('title')))
@@ -125,7 +128,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    private function createCommentFromRequest(RequestAbstract $request) : Comment
+    private function createCommentFromRequest(RequestAbstract $request): Comment
     {
         $comment = new Comment();
         $comment->setCreatedBy(new NullAccount($request->getHeader()->getAccount()));
@@ -151,7 +154,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiCommentUpdate(RequestAbstract $request, ResponseAbstract $response, $data = null) : void
+    public function apiCommentUpdate(RequestAbstract $request, ResponseAbstract $response, $data = null): void
     {
         $old = clone CommentMapper::get((int) $request->getData('id'));
         $new = $this->updateCommentFromRequest($request);
@@ -168,7 +171,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    private function updateCommentFromRequest(RequestAbstract $request) : Comment
+    private function updateCommentFromRequest(RequestAbstract $request): Comment
     {
         $comment = CommentMapper::get((int) $request->getData('id'));
         $comment->setTitle($request->getData('title') ?? $comment->getTitle());
@@ -192,7 +195,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiCommentGet(RequestAbstract $request, ResponseAbstract $response, $data = null) : void
+    public function apiCommentGet(RequestAbstract $request, ResponseAbstract $response, $data = null): void
     {
         $comment = CommentMapper::get((int) $request->getData('id'));
         $this->fillJsonResponse($request, $response, NotificationLevel::OK, 'Comment', 'Comment successfully returned', $comment);
@@ -211,7 +214,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiCommentDelete(RequestAbstract $request, ResponseAbstract $response, $data = null) : void
+    public function apiCommentDelete(RequestAbstract $request, ResponseAbstract $response, $data = null): void
     {
         $comment = CommentMapper::get((int) $request->getData('id'));
         $this->deleteModel($request->getHeader()->getAccount(), $comment, CommentMapper::class, 'comment', $request->getOrigin());
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index e63d1f9..9155ed3 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * Orange Management
  *
@@ -10,6 +11,7 @@
  * @version   1.0.0
  * @link      https://orange-management.org
  */
+
 declare(strict_types=1);
 
 namespace Modules\Comments\Controller;
@@ -45,7 +47,7 @@ final class BackendController extends Controller
      * @since 1.0.0
      * @codeCoverageIgnore
      */
-    public function setUpCommentEditor(RequestAbstract $request, ResponseAbstract $response, $data = null) : void
+    public function setUpCommentEditor(RequestAbstract $request, ResponseAbstract $response, $data = null): void
     {
         $head = $response->get('Content')->getData('head');
         $head->addAsset(AssetType::JS, '/Modules/Editor/Controller.js', ['type' => 'module']);
@@ -63,7 +65,7 @@ final class BackendController extends Controller
      * @since 1.0.0
      * @codeCoverageIgnore
      */
-    public function viewCommentCreate(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
+    public function viewCommentCreate(RequestAbstract $request, ResponseAbstract $response, $data = null): RenderableInterface
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Comments/Theme/Backend/comment-create');
@@ -84,7 +86,7 @@ final class BackendController extends Controller
      * @since 1.0.0
      * @codeCoverageIgnore
      */
-    public function viewCommentList(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
+    public function viewCommentList(RequestAbstract $request, ResponseAbstract $response, $data = null): RenderableInterface
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Comments/Theme/Backend/comment-list');
@@ -102,7 +104,7 @@ final class BackendController extends Controller
      *
      * @since 1.0.0
      */
-    private function validateCommentCreate(RequestAbstract $request) : array
+    private function validateCommentCreate(RequestAbstract $request): array
     {
         $val = [];
         if (($val['title'] = empty($request->getData('title')))
@@ -127,10 +129,11 @@ final class BackendController extends Controller
      *
      * @since 1.0.0
      */
-    public function apiCommentCreate(RequestAbstract $request, ResponseAbstract $response, $data = null) : void
+    public function apiCommentCreate(RequestAbstract $request, ResponseAbstract $response, $data = null): void
     {
         if (!empty($val = $this->validateCommentCreate($request))) {
             $response->set('comment_create', new FormValidation($val));
+            $response->getHeader()->setStatusCode(RequestStatusCode::R_400);
 
             return;
         }