diff --git a/pretix_congressschedule/urls.py b/pretix_congressschedule/urls.py
index e30c392..2a6026f 100644
--- a/pretix_congressschedule/urls.py
+++ b/pretix_congressschedule/urls.py
@@ -1,5 +1,5 @@
 from django.urls import path
-from .api import CongressScheduleXMLView, HackertoursMarkdownView
+from .api import CongressScheduleXMLView, CongressScheduleJSONView, HackertoursMarkdownView
 
 urlpatterns = [
     path(