diff --git a/app/controllers/course/grouping.php b/app/controllers/course/grouping.php
index b5a9472afd53023c61fa6d1cca24fa383f2d3b87..2ff3c43a4b220fc6698135d5770d3b25d8cbe1b3 100644
--- a/app/controllers/course/grouping.php
+++ b/app/controllers/course/grouping.php
@@ -37,7 +37,7 @@ class Course_GroupingController extends AuthenticatedController
             throw new AccessDeniedException(_('Sie haben leider nicht die notwendige Berechtigung für diese Aktion.'));
         }
 
-        if ($GLOBALS['perm']->have_studip_perm('admin', $this->course_id)) {
+        if ($GLOBALS['perm']->have_studip_perm('admin', $this->course->id)) {
             $widget = new CourseManagementSelectWidget();
             Sidebar::get()->addWidget($widget);
         }
diff --git a/app/controllers/questionnaire.php b/app/controllers/questionnaire.php
index 2da457ce6242d75704e107daedbfd6a5d42d8257..fe2ed3aef12263be4e27c30cfdeebcf8dc54e1fc 100644
--- a/app/controllers/questionnaire.php
+++ b/app/controllers/questionnaire.php
@@ -54,7 +54,7 @@ class QuestionnaireController extends AuthenticatedController
         }
 
         Navigation::activateItem("/course/admin/questionnaires");
-        if ($GLOBALS['perm']->have_studip_perm('admin', $this->course_id)) {
+        if ($GLOBALS['perm']->have_studip_perm('admin', $this->range_id)) {
             // Ensure the select widget is added last
             NotificationCenter::on('SidebarWillRender', function () {
                 $widget = new CourseManagementSelectWidget();