diff --git a/core/lib/Drupal/Core/Entity/FieldableDatabaseStorageController.php b/core/lib/Drupal/Core/Entity/FieldableDatabaseStorageController.php
index 907e3cd..05e1583 100644
--- a/core/lib/Drupal/Core/Entity/FieldableDatabaseStorageController.php
+++ b/core/lib/Drupal/Core/Entity/FieldableDatabaseStorageController.php
@@ -523,7 +523,7 @@ protected function buildQuery($ids, $revision_id = FALSE) {
    *   (Optional) ID of the revision that was loaded, or FALSE if the most
    *   current revision was loaded.
    */
-  protected function postLoad(&$queried_entities, $revision_id = FALSE) {
+  protected function postLoad(array &$queried_entities, $revision_id = FALSE) {
     // Map the loaded records into entity objects and according fields.
     $queried_entities = $this->mapFromStorageRecords($queried_entities, $revision_id);
 
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestRender.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestRender.php
index 7fefbd5..455d5e2 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestRender.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestRender.php
@@ -18,7 +18,7 @@
  *   label = @Translation("Test render entity"),
  *   module = "entity_test",
  *   controllers = {
- *     "storage" = "Drupal\entity_test\FieldableDatabaseStorageController",
+ *     "storage" = "Drupal\Core\Entity\FieldableDatabaseStorageController",
  *     "render" = "Drupal\entity_test\EntityTestRenderController",
  *     "access" = "Drupal\entity_test\EntityTestAccessController",
  *     "form" = {