diff --git a/spec/mailers/application_mailer_spec.rb b/spec/mailers/application_mailer_spec.rb
index ef782fbee..18f8164d3 100644
--- a/spec/mailers/application_mailer_spec.rb
+++ b/spec/mailers/application_mailer_spec.rb
@@ -13,7 +13,11 @@
         }
 
         def test_notify_error
-          view_mail("testGOVUK_NOTIFY_TEMPLATE_ID_APPLICATION", to: "test@example.com", subject: "Some subject")
+          view_mail(
+            ApplicationMailer::GOVUK_NOTIFY_TEMPLATE_ID,
+            to: "test@example.com",
+            subject: "Some subject",
+          )
         end
       end