diff --git a/rtmp/conn.go b/rtmp/conn.go
index 3864df98..7e1b3b15 100644
--- a/rtmp/conn.go
+++ b/rtmp/conn.go
@@ -76,7 +76,7 @@ type link struct {
 	protocol int32
 	timeout  uint
 	port     uint16
-	conn     *net.TCPConn
+	conn     net.Conn
 }
 
 // method represents an RTMP method.