diff --git a/lib/classes/SemClass.class.php b/lib/classes/SemClass.class.php
index 959b88a890a8b32f6db1b54f3348f691efbda32a..bf49076f5b82de6dc11ac325624b61b2ef7755ad 100644
--- a/lib/classes/SemClass.class.php
+++ b/lib/classes/SemClass.class.php
@@ -196,7 +196,7 @@ class SemClass implements ArrayAccess
 
     public function getAdminModuleObject()
     {
-        if ($this->studygroup_mode) {
+        if ($this->data['studygroup_mode']) {
             $module = 'CoreStudygroupAdmin';
         } else {
             $module = 'CoreAdmin';