diff --git a/src/Bundle/ChillActivityBundle/Entity/ActivityTypeCategory.php b/src/Bundle/ChillActivityBundle/Entity/ActivityTypeCategory.php
index a95424312..4b06ca9b5 100644
--- a/src/Bundle/ChillActivityBundle/Entity/ActivityTypeCategory.php
+++ b/src/Bundle/ChillActivityBundle/Entity/ActivityTypeCategory.php
@@ -1,31 +1,12 @@
 <?php
 
-/*
- *
- * Copyright (C) 2015, Champs Libres Cooperative SCRLFS, <http://www.champs-libres.coop>
- *
- * This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- *  License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
+declare(strict_types=1);
 
 namespace Chill\ActivityBundle\Entity;
 
 use Doctrine\ORM\Mapping as ORM;
 
 /**
- * Class ActivityTypeCateogry
- *
- * @package Chill\ActivityBundle\Entity
  * @ORM\Entity()
  * @ORM\Table(name="activitytypecategory")
  * @ORM\HasLifecycleCallbacks()
@@ -37,7 +18,7 @@ class ActivityTypeCategory
      * @ORM\Column(name="id", type="integer")
      * @ORM\GeneratedValue(strategy="AUTO")
      */
-    private ?int $id;
+    private ?int $id = null;
 
     /**
      * @ORM\Column(type="json")
@@ -54,10 +35,7 @@ class ActivityTypeCategory
      */
     private float $ordering = 0.0;
 
-    /**
-     * Get id
-     */
-    public function getId(): int
+    public function getId(): ?int
     {
         return $this->id;
     }