diff --git a/app/config.py b/app/config.py
index e6df36d6e..4f824040d 100644
--- a/app/config.py
+++ b/app/config.py
@@ -99,6 +99,7 @@ class Test(Development):
     CSV_UPLOAD_BUCKET_NAME = 'test-notifications-csv-upload'
     LOGO_UPLOAD_BUCKET_NAME = 'public-logos-test'
     NOTIFY_ENVIRONMENT = 'test'
+    API_HOST_NAME = 'http://you-forgot-to-mock-an-api-call-to'
     TEMPLATE_PREVIEW_API_HOST = 'http://localhost:9999'