diff --git a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
index bbf2f399a..dc666400f 100644
--- a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
+++ b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
@@ -42,11 +42,10 @@ class AccompanyingCourseApiController extends ApiController
 
         switch ($request->getMethod()) {
             case Request::METHOD_POST:
-                $participation = $accompanyingPeriod->addPerson($person);
+                $participation = $accompanyingPeriod->createParticipationFor($person);
                 break;
             case Request::METHOD_DELETE:
-                $participation = $accompanyingPeriod->removePerson($person);
-                $participation->setEndDate(new \DateTimeImmutable('now'));
+                $participation = $accompanyingPeriod->closeParticipationFor($person);
                 break;
             default:
                 throw new BadRequestException("This method is not supported");