diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 37abbaa816a..ac4e13a3c62 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -1959,7 +1959,7 @@ function require_login($courseorid=0, $autologinguest=true, $cm=null) {
         if (has_capability('moodle/legacy:guest', $COURSE->context, NULL, false)) {
             if (has_capability('moodle/site:doanything', $sysctx)) {
                 // administrators must be able to access any course - even if somebody gives them guest access
-                return true;
+                return;
             }
 
             switch ($COURSE->guest) {    /// Check course policy about guest access