diff --git a/app/controllers/admin/courses.php b/app/controllers/admin/courses.php
index 53b336415ce4602e92b62fb9c59c2bdabe04eb54..53fdbc4b4c3fefd3d94af6a6dc7995def7c0c54d 100644
--- a/app/controllers/admin/courses.php
+++ b/app/controllers/admin/courses.php
@@ -655,7 +655,6 @@ class Admin_CoursesController extends AuthenticatedController
         }
         if (in_array('room_time', $activated_fields)) {
             $strings = $course->getAllDatesInSemester()->toStringArray();
-            $strings = array_map('htmlReady', $strings);
             $d['room_time'] = implode('<br>', $strings) ?: _('nicht angegeben');
         }
         if (in_array('semester', $activated_fields)) {