diff --git a/core/modules/forum/lib/Drupal/forum/ForumManager.php b/core/modules/forum/lib/Drupal/forum/ForumManager.php
index 5186859..67ab628 100644
--- a/core/modules/forum/lib/Drupal/forum/ForumManager.php
+++ b/core/modules/forum/lib/Drupal/forum/ForumManager.php
@@ -10,8 +10,8 @@
 use Drupal\Core\Config\ConfigFactory;
 use Drupal\Core\Database\Connection;
 use Drupal\Core\Entity\EntityManager;
-use Drupal\Core\Entity\EntityInterface;
 use Drupal\field\FieldInfo;
+use Drupal\node\Plugin\Core\Entity\NodeInterface;
 
 /**
  * Provides forum manager service.
@@ -480,7 +480,7 @@ public function getParents($tid) {
   /**
    * {@inheritdoc}
    */
-  public function checkNodeType(EntityInterface $node) {
+  public function checkNodeType(NodeInterface $node) {
     // Fetch information about the forum field.
     $instances = $this->fieldInfo->getBundleInstances('node', $node->bundle());
     return !empty($instances['taxonomy_forums']);