diff --git a/lib.php b/lib.php
index 104c0d89..0db2ccb2 100644
--- a/lib.php
+++ b/lib.php
@@ -26,7 +26,7 @@
 
 /** Include required files */
 require_once($CFG->libdir.'/filelib.php');
-require_once($CFG->libdir.'/eventslib.php');
+require_once($CFG->libdir.'/deprecatedlib.php');
 require_once($CFG->dirroot.'/user/selector/lib.php');
 use mod_hsuforum\renderables\discussion_dateform;
 use mod_hsuforum\renderables\advanced_editor;