diff --git a/notify/notify.go b/notify/notify.go
index d05280f..132027f 100644
--- a/notify/notify.go
+++ b/notify/notify.go
@@ -143,7 +143,7 @@ func (n *notify) rpcWriter(stopChan <-chan struct{}, writerDone chan<- error) {
 			continue
 		}
 
-		err = n.nh.GetCodec().Write(n.conn, cs.Method, cs.Args, cs.ID)
+		err = n.nh.GetCodec().Write(n.conn, cs.Method, cs.Args, nil)
 		cs.Error = err
 		cs.Done()
 		if nil != err {