diff --git a/mod/assignment/mod.html b/mod/assignment/mod.html
index c39fa7b471e..7e1e4e33d35 100644
--- a/mod/assignment/mod.html
+++ b/mod/assignment/mod.html
@@ -142,7 +142,7 @@
     <?php
        $ASSIGNMENT_TYPES = assignment_types();
        choose_from_menu($ASSIGNMENT_TYPES, 'assignmenttype', $form->assignmenttype, '');
-       helpbutton('assignment/types', get_string('assignmenttype', 'assignment'), 'moodle');
+       helpbutton('types', get_string('assignmenttype', 'assignment'), 'assignment');
     ?>
     </td>
 </tr>