diff --git a/src/Controller/Blog/PostAdminController.php b/src/Controller/Blog/PostAdminController.php
index 93ffdbf..4e24d94 100644
--- a/src/Controller/Blog/PostAdminController.php
+++ b/src/Controller/Blog/PostAdminController.php
@@ -97,7 +97,7 @@ class PostAdminController extends AdminController
     /**
      * @Route("/show/{entity}", name="admin_blog_post_show")
      */
-    public function show(Entity $entity, PostRepositoryQuery $postQuery): Response
+    public function show(Entity $entity): Response
     {
         return $this->render('blog/post_admin/show.html.twig', [
             'entity' => $entity,
diff --git a/src/Entity/Blog/Category.php b/src/Entity/Blog/Category.php
index a2ab1ff..8d6dced 100644
--- a/src/Entity/Blog/Category.php
+++ b/src/Entity/Blog/Category.php
@@ -2,6 +2,7 @@
 
 namespace App\Entity\Blog;
 
+use App\Doctrine\Timestampable;
 use App\Entity\EntityInterface;
 use App\Repository\Blog\CategoryRepository;
 use Doctrine\Common\Collections\ArrayCollection;
@@ -14,6 +15,8 @@ use Doctrine\ORM\Mapping as ORM;
  */
 class Category implements EntityInterface
 {
+    use Timestampable;
+
     /**
      * @ORM\Id
      * @ORM\GeneratedValue