diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index abbc48d5363..7f8d4b135b0 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -2628,6 +2628,10 @@ function require_login($courseorid = null, $autologinguest = true, $cm = null, $
                 $authplugin = get_auth_plugin($authname);
                 $authplugin->pre_loginpage_hook();
                 if (isloggedin()) {
+                    if ($cm) {
+                        $modinfo = get_fast_modinfo($course);
+                        $cm = $modinfo->get_cm($cm->id);
+                    }
                     break;
                 }
             }