diff --git a/mod/feedback/lib.php b/mod/feedback/lib.php
index 86b9065c969..9c5215c2f2b 100644
--- a/mod/feedback/lib.php
+++ b/mod/feedback/lib.php
@@ -1459,6 +1459,8 @@ function feedback_get_template_list($course, $onlyownorpublic = '') {
 function feedback_get_item_class($typ) {
     global $CFG;
 
+    require_once($CFG->dirroot.'/mod/feedback/item/feedback_item_class.php');
+
     //get the class of item-typ
     $itemclass = 'feedback_item_'.$typ;
     //get the instance of item-class