diff --git a/ntfy/backends/simplepush.py b/ntfy/backends/simplepush.py
index <HASH>..<HASH> 100644
--- a/ntfy/backends/simplepush.py
+++ b/ntfy/backends/simplepush.py
@@ -4,7 +4,8 @@ from ..config import USER_AGENT
 
 def notify(title,
            message,
-           key):
+           key,
+           retcode=None):
     """
     Required paramter:
         * ``key`` - The Simplepush identification key, created by
retcode argument for simplepush backend (ugh.. that's why i didn't _really_ dig the idea of that arg)