diff --git a/core/lib/Drupal/Core/EventSubscriber/MaintenanceModeSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/MaintenanceModeSubscriber.php
index 86bd6964480..04dbc7b897a 100644
--- a/core/lib/Drupal/Core/EventSubscriber/MaintenanceModeSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/MaintenanceModeSubscriber.php
@@ -25,14 +25,14 @@ class MaintenanceModeSubscriber implements EventSubscriberInterface {
    */
   public function onKernelRequestMaintenanceModeCheck(GetResponseEvent $event) {
     // Check if the site is offline.
-    $page_callback_result = _menu_site_is_offline() ? MENU_SITE_OFFLINE : MENU_SITE_ONLINE;
+    $status = _menu_site_is_offline() ? MENU_SITE_OFFLINE : MENU_SITE_ONLINE;
 
     // Allow other modules to change the site status but not the path because
     // that would not change the global variable. hook_url_inbound_alter() can
     // be used to change the path. Code later will not use the $read_only_path
     // variable.
     $read_only_path = !empty($path) ? $path : $event->getRequest()->attributes->get('system_path');
-    drupal_alter('menu_site_status', $page_callback_result, $read_only_path);
+    drupal_alter('menu_site_status', $status, $read_only_path);
 
     // Only continue if the site is online.
     if ($page_callback_result != MENU_SITE_ONLINE) {