diff --git a/src/Form/ReadingTimeConfigForm.php b/src/Form/ReadingTimeConfigForm.php
index 6d3d31e..c9091e3 100644
--- a/src/Form/ReadingTimeConfigForm.php
+++ b/src/Form/ReadingTimeConfigForm.php
@@ -2,6 +2,7 @@
 
 namespace Drupal\node_read_time\Form;
 
+use Drupal\Core\Config\TypedConfigManagerInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Form\ConfigFormBase;
 use Drupal\Core\Form\FormStateInterface;
@@ -23,8 +24,8 @@ class ReadingTimeConfigForm extends ConfigFormBase {
   /**
    * Class constructor.
    */
-  public function __construct(ConfigFactoryInterface $config_factory, EntityTypeManagerInterface $entityTypeManager) {
-    parent::__construct($config_factory);
+  public function __construct(ConfigFactoryInterface $config_factory, EntityTypeManagerInterface $entityTypeManager, TypedConfigManagerInterface $typed_config_manager) {
+    parent::__construct($config_factory, $typed_config_manager);
     $this->entityTypeManager = $entityTypeManager;
   }
 
@@ -34,7 +35,8 @@ class ReadingTimeConfigForm extends ConfigFormBase {
   public static function create(ContainerInterface $container): static {
     return new static(
       $container->get('config.factory'),
-      $container->get('entity_type.manager')
+      $container->get('entity_type.manager'),
+      $container->get('config.typed'),
     );
   }