diff --git a/core/modules/contact/contact.install b/core/modules/contact/contact.install
index 196c53d..d4c6521 100644
--- a/core/modules/contact/contact.install
+++ b/core/modules/contact/contact.install
@@ -9,9 +9,10 @@
  * Add 'message' and 'redirect' field values to 'contact_form' entities.
  */
 function contact_update_8001() {
-  $entities = \Drupal::entityManager()->getStorage('contact_form')->loadMultiple();
+  /** @var \Drupal\contact\ContactFormInterface[] $entities */
+  $entities = \Drupal::entityTypeManager()->getStorage('contact_form')->loadMultiple();
   foreach($entities as $contact) {
     $contact->setMessage('Your message has been sent.');
-    $contact->setRedirectUrl('<front>');
+    $contact->setRedirectUrl(Url::fromRoute('<front>'));
   }
 }