diff --git a/course/classes/management/helper.php b/course/classes/management/helper.php
index d428acc12b9..05778613a94 100644
--- a/course/classes/management/helper.php
+++ b/course/classes/management/helper.php
@@ -26,6 +26,8 @@ namespace core_course\management;
 
 defined('MOODLE_INTERNAL') || die;
 
+require_once($CFG->dirroot . '/course/lib.php');
+
 /**
  * Course and category management interface helper class.
  *