diff --git a/src/Synolia/Bundle/FavoriteBundle/Entity/Favorite.php b/src/Synolia/Bundle/FavoriteBundle/Entity/Favorite.php
index 474592d..202ba5f 100644
--- a/src/Synolia/Bundle/FavoriteBundle/Entity/Favorite.php
+++ b/src/Synolia/Bundle/FavoriteBundle/Entity/Favorite.php
@@ -67,7 +67,7 @@ class Favorite implements ExtendEntityInterface, OrganizationAwareInterface, Dat
     /**
      * @return integer
      */
-    public function getId(): int
+    public function getId(): ?int
     {
         return $this->id;
     }