diff --git a/rtmp/session.go b/rtmp/session.go
index 6f059904..6d1fad40 100644
--- a/rtmp/session.go
+++ b/rtmp/session.go
@@ -149,7 +149,7 @@ func (s *Session) close() {
 }
 
 // Write writes a frame (flv tag) to the rtmp connection.
-//func (s *Session) Write(data []byte) (int, error) {
+func (s *Session) Write(data []byte) (int, error) {
 	if !s.isConnected() {
 		return 0, errNotConnected
 	}