diff --git a/calendar/view.php b/calendar/view.php
index eeea9bb9675..399ba26ed89 100644
--- a/calendar/view.php
+++ b/calendar/view.php
@@ -41,11 +41,12 @@
 //  Display the calendar page.
 
     require_once('../config.php');
-    require_once('lib.php');
     require_once('../course/lib.php');
 
     require_login();
 
+    require_once('lib.php');
+
     optional_variable($_GET['view'], 'upcoming');
     optional_variable($_GET['course'], 0);
     optional_variable($_GET['cal_d']);