diff --git a/codeforlife/urls/handlers.py b/codeforlife/urls/handlers.py
index 5c09e57..e25c877 100644
--- a/codeforlife/urls/handlers.py
+++ b/codeforlife/urls/handlers.py
@@ -15,7 +15,7 @@
     HttpResponseServerError,
 )
 
-handler400 = lambda request: HttpResponseBadRequest()
-handler403 = lambda request: HttpResponseForbidden()
-handler404 = lambda request: HttpResponseNotFound()
+handler400 = lambda request, template: HttpResponseBadRequest()
+handler403 = lambda request, template: HttpResponseForbidden()
+handler404 = lambda request, template: HttpResponseNotFound()
 handler500 = lambda request: HttpResponseServerError()