diff --git a/src/Bundle/ChillPersonBundle/Entity/Person.php b/src/Bundle/ChillPersonBundle/Entity/Person.php
index dc59e4cec..4b494c304 100644
--- a/src/Bundle/ChillPersonBundle/Entity/Person.php
+++ b/src/Bundle/ChillPersonBundle/Entity/Person.php
@@ -1480,7 +1480,7 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
         $participation = $this->participationsContainAccompanyingPeriod($accompanyingPeriod);
 
         if (!null === $participation) {
-            $participation->setEndDate(DateTimeImmutable::class);
+            $participation->setEndDate(new DateTime());
             $this->accompanyingPeriodParticipations->removeElement($participation);
         }
     }