diff --git a/commerce_ajax_atc.services.yml b/commerce_ajax_atc.services.yml
index 2b557ce..4153d19 100644
--- a/commerce_ajax_atc.services.yml
+++ b/commerce_ajax_atc.services.yml
@@ -1,9 +1,6 @@
 services:
   ajax_cart_event_subscriber:
     class: \Drupal\commerce_ajax_atc\EventSubscriber\AjaxCartEventSubscriber
-    arguments:
-      - '@messenger'
-      - '@string_translation'
-      - '@request_stack'
+    arguments: ['@messenger', '@string_translation', '@entity_type.manager', '@request_stack']
     tags:
       - { name: event_subscriber }
diff --git a/src/EventSubscriber/AjaxCartEventSubscriber.php b/src/EventSubscriber/AjaxCartEventSubscriber.php
index c431fb8..7ac1682 100644
--- a/src/EventSubscriber/AjaxCartEventSubscriber.php
+++ b/src/EventSubscriber/AjaxCartEventSubscriber.php
@@ -7,6 +7,7 @@ use Drupal\commerce_cart\EventSubscriber\CartEventSubscriber as CommerceCartEven
 use Drupal\Core\Messenger\MessengerInterface;
 use Drupal\Core\StringTranslation\TranslationInterface;
 use Symfony\Component\HttpFoundation\RequestStack;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
 
 /**
  * Replaces the original CartEventSubscriber from commerce_cart module.
@@ -20,6 +21,13 @@ class AjaxCartEventSubscriber extends CommerceCartEventSubscriber {
    */
   protected $currentRequest;
 
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
   /**
    * Constructs a new CartEventSubscriber object.
    *
@@ -27,11 +35,13 @@ class AjaxCartEventSubscriber extends CommerceCartEventSubscriber {
    *   The messenger.
    * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
    *   The string translation.
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+   *   The entity type manager.
    * @param Symfony\Component\HttpFoundation\RequestStack $request_stack
    *   The request stack.
    */
-  public function __construct(MessengerInterface $messenger, TranslationInterface $string_translation, RequestStack $request_stack) {
-    parent::__construct($messenger, $string_translation);
+  public function __construct(MessengerInterface $messenger, TranslationInterface $string_translation, EntityTypeManagerInterface $entity_type_manager, RequestStack $request_stack,) {
+    parent::__construct($messenger, $string_translation, $entity_type_manager);
 
     $this->currentRequest = $request_stack->getCurrentRequest();
   }