diff --git a/lib/classes/sidebar/AdminCourseOptionsWidget.php b/lib/classes/sidebar/AdminCourseOptionsWidget.php
index 5565e2f75c7ee24e939d84c149c32aafe41bd134..9de5b71e472c1caefa0c37185893cca1a676fa9b 100644
--- a/lib/classes/sidebar/AdminCourseOptionsWidget.php
+++ b/lib/classes/sidebar/AdminCourseOptionsWidget.php
@@ -46,8 +46,8 @@ class AdminCourseOptionsWidget extends ListWidget
                 sprintf(
                     'STUDIP.AdminCourses.App.changeFilter({%s: $(this).is(".options-checked") ? %s : %s});',
                     json_encode($filter_name),
-                    json_encode($true_value),
-                    json_encode($false_value)
+                    json_encode($false_value),
+                    json_encode($true_value)
                 ),
                 "return false;",
             ]);