diff --git a/app/controllers/wiki.php b/app/controllers/wiki.php
index 50bed349c6146f93b71f9b4cb4e2bf17b6943489..5a5d4a8c0ad97169920e23f9e5e096c5998ca02d 100644
--- a/app/controllers/wiki.php
+++ b/app/controllers/wiki.php
@@ -277,6 +277,7 @@ class WikiController extends AuthenticatedController
                 [
                     'userid'    => $GLOBALS['user']->id,
                     'exclude'   => [$course_id],
+                    'institutes' => array_column(Institute::getMyInstitutes(), 'Institut_id')
                 ],
                 's.`Seminar_id` IN (
                     SELECT range_id FROM wiki