diff --git a/course/lib.php b/course/lib.php
index 84c98d0cabc89..bea2b68066834 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -217,7 +217,7 @@ function build_mnet_logs_array($hostid, $course, $user=0, $date=0, $order="l.tim
 
 function build_logs_array($course, $user=0, $date=0, $order="l.time ASC", $limitfrom='', $limitnum='',
                    $modname="", $modid=0, $modaction="", $groupid=0) {
-    global $DB, $SESSION;
+    global $DB, $SESSION, $USER;
     // It is assumed that $date is the GMT time of midnight for that day,
     // and so the next 86400 seconds worth of logs are printed.