diff --git a/app/controllers/course/studygroup.php b/app/controllers/course/studygroup.php
index 9382995b0b0888056d9c88b625a762c2a8acc802..e979e2fc559747490e2ba60a8733c9a28972347e 100644
--- a/app/controllers/course/studygroup.php
+++ b/app/controllers/course/studygroup.php
@@ -509,7 +509,7 @@ class Course_StudygroupController extends AuthenticatedController
 
         Request::set('choose_member_parameter', $this->flash['choose_member_parameter']);
 
-        $this->studip_module = checkObjectModule('participants');
+        $this->studip_module = checkObjectModule('StudygroupParticipants');
         object_set_visit_module($this->studip_module->getPluginId());