diff --git a/core/lib/Drupal/Core/Entity/EntityAccessController.php b/core/lib/Drupal/Core/Entity/EntityAccessController.php
index 32e81f1..833f292 100644
--- a/core/lib/Drupal/Core/Entity/EntityAccessController.php
+++ b/core/lib/Drupal/Core/Entity/EntityAccessController.php
@@ -41,7 +41,7 @@ public function __construct($entity_type) {
    * {@inheritdoc}
    */
   public function access(EntityInterface $entity, $operation, $langcode = Language::LANGCODE_DEFAULT, AccountInterface $account = NULL) {
-    $this->prepareUser($account);
+    $account = $this->prepareUser($account);
 
     if (($access = $this->getCache($entity->uuid(), $operation, $langcode, $account)) !== NULL) {
       // Cache hit, no work necessary.