diff --git a/src/Bundle/ChillMainBundle/Entity/Notification.php b/src/Bundle/ChillMainBundle/Entity/Notification.php
index 61c1c5926..40fa17a91 100644
--- a/src/Bundle/ChillMainBundle/Entity/Notification.php
+++ b/src/Bundle/ChillMainBundle/Entity/Notification.php
@@ -51,7 +51,7 @@ class Notification
      * @ORM\GeneratedValue
      * @ORM\Column(type="integer")
      */
-    private int $id;
+    private ?int $id = null;
 
     /**
      * @ORM\Column(type="text")