diff --git a/src/Bundle/ChillPersonBundle/Entity/Person.php b/src/Bundle/ChillPersonBundle/Entity/Person.php
index fc6a7058f..df2f8ac51 100644
--- a/src/Bundle/ChillPersonBundle/Entity/Person.php
+++ b/src/Bundle/ChillPersonBundle/Entity/Person.php
@@ -305,11 +305,10 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
 
     /**
      * The person's center
-     * @var Center
      *
      * @ORM\ManyToOne(targetEntity="Chill\MainBundle\Entity\Center")
      */
-    private $center;
+    private ?Center $center = null;
 
     /**
      * The person's accompanying periods (when the person was accompanied by the center)