diff --git a/core/modules/node/lib/Drupal/node/NodeAccessController.php b/core/modules/node/lib/Drupal/node/NodeAccessController.php
index 5a82413..5307fd9 100644
--- a/core/modules/node/lib/Drupal/node/NodeAccessController.php
+++ b/core/modules/node/lib/Drupal/node/NodeAccessController.php
@@ -35,7 +35,9 @@ public function viewAccess(EntityInterface $node, $langcode = LANGUAGE_DEFAULT,
 
     // Check if authors can view their own unpublished nodes.
     $status = $node->get('status', $langcode);
-    $account = $account ?: $GLOBALS['user'];
+    if (!$account) {
+      $account = entity_create('user', (array) $GLOBALS['user']);
+    }
     if (!$status && user_access('view own unpublished content', $account) && $account->uid == $node->get('uid', $langcode) && $account->uid != 0) {
       $this->setCached(TRUE, $node, 'view', $langcode, $account);
       return TRUE;