diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/filter/TaxonomyIndexTid.php b/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/filter/TaxonomyIndexTid.php
index fa8f3de..529a99d 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/filter/TaxonomyIndexTid.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/filter/TaxonomyIndexTid.php
@@ -10,6 +10,7 @@
 use Drupal\views\ViewExecutable;
 use Drupal\Core\Annotation\Plugin;
 use Drupal\views\Plugin\views\filter\ManyToOne;
+use \stdClass;
 
 /**
  * Filter by term id.