diff --git a/lib/myprofilelib.php b/lib/myprofilelib.php
index a31ab0d6c6f..c5922f135ea 100644
--- a/lib/myprofilelib.php
+++ b/lib/myprofilelib.php
@@ -23,6 +23,7 @@
  */
 
 defined('MOODLE_INTERNAL') || die();
+require_once($CFG->dirroot . '/tag/lib.php');
 
 /**
  * Defines core nodes for my profile navigation tree.