diff --git a/lib/accesslib.php b/lib/accesslib.php
index a17b7e2e6ac..f14db52b329 100755
--- a/lib/accesslib.php
+++ b/lib/accesslib.php
@@ -2331,7 +2331,7 @@ function role_unassign($roleid=0, $userid=0, $groupid=0, $contextid=0, $enrol=NU
                         // remove any forum subscriptions which may be present
                         if ($forums = get_records('forum', 'course', $context->instanceid)) {
                             foreach ($forums as $forum) {
-                                delete_records('forum_subscriptions', 'forum', $forum->id, 'userid', $userid);
+                                delete_records('forum_subscriptions', 'forum', $forum->id, 'userid', $ra->userid);
                             }
                         }