diff --git a/app/controllers/resources/room_request.php b/app/controllers/resources/room_request.php
index 247de5c0f9783f9bfa95620c8549a50eb23c82ed..dd1b8b1182762e716a8bffee834e13788be84d85 100644
--- a/app/controllers/resources/room_request.php
+++ b/app/controllers/resources/room_request.php
@@ -986,7 +986,7 @@ class Resources_RoomRequestController extends AuthenticatedController
             $new_end->setTime(
                 $end_time_arr[0],
                 $end_time_arr[1],
-                $end_time_arr[2] == 0
+                $end_time_arr[2] ?? 0
             );
 
             $this->request->begin = $new_begin->getTimestamp();