diff --git a/conversations/emails.py b/conversations/emails.py
index 74cd07c..571464a 100644
--- a/conversations/emails.py
+++ b/conversations/emails.py
@@ -27,7 +27,7 @@ def email_recv(request):
         raise PermissionDenied
 
     if 'email' not in request.FILES:
-        raise HttpResponse(status=400)  # Bad Request
+        return HttpResponse(status=400)  # Bad Request
 
     msg = request.FILES['email']
     if python_version < (3,):