diff --git a/django_mailbox/signals.py b/django_mailbox/signals.py
index b445183..fb0a23f 100644
--- a/django_mailbox/signals.py
+++ b/django_mailbox/signals.py
@@ -1,3 +1,4 @@
 from django.dispatch.dispatcher import Signal
 
-message_received = Signal(providing_args=['message'])
+# providing_args=['message']
+message_received = Signal()