diff --git a/core/lib/Drupal/Core/Access/AccessResult.php b/core/lib/Drupal/Core/Access/AccessResult.php
index 7adc8f4..1c6081c 100644
--- a/core/lib/Drupal/Core/Access/AccessResult.php
+++ b/core/lib/Drupal/Core/Access/AccessResult.php
@@ -211,7 +211,7 @@ public function getCacheTags() {
    * {@inheritdoc}
    */
   public function getCacheMaxAge() {
-    return $this->getCacheMaxAge;
+    return $this->cacheMaxAge;
   }
 
   /**