diff --git a/course/lib.php b/course/lib.php
index ca10a3bba5c..222750ce3ab 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -897,7 +897,7 @@ function print_recent_activity($course) {
                 }
                 $cm = $modinfo->instances[$modname][$instanceid];
                 if (!$cm->uservisible) {
-                    //continue;
+                    continue;
                 }
 
                 if ($log->action == 'add mod') {