diff --git a/app/views/course/timesrooms/editSemester.php b/app/views/course/timesrooms/editSemester.php
index 35f11c2e7c646228b198bf088b0f64992bbff60f..95aecf309b32196e737f0babf77d9935a3a28784 100644
--- a/app/views/course/timesrooms/editSemester.php
+++ b/app/views/course/timesrooms/editSemester.php
@@ -1,4 +1,4 @@
-<form action="<?= $controller->url_for() ?>" method="post"
+<form action="<?= $controller->url_for('course/timesrooms/editSemester') ?>" method="post"
       class="default" data-dialog>
     <?=CSRFProtection::tokenTag()?>
     <fieldset>