diff --git a/codec/h265/lex.go b/codec/h265/lex.go
index fcf2e59d..d67cf289 100644
--- a/codec/h265/lex.go
+++ b/codec/h265/lex.go
@@ -86,7 +86,6 @@ func (l *Lexer) Lex(dst io.Writer, src io.Reader, delay time.Duration) error {
 		if err != nil {
 			return fmt.Errorf("could not get rtp payload, failed with err: %v\n", err)
 		}
-
 		nalType := (payload[0] >> 1) & 0x3f
 
 		// If not currently fragmented then we ignore current write.
diff --git a/container/mts/encoder.go b/container/mts/encoder.go
index a90df386..0302c73a 100644
--- a/container/mts/encoder.go
+++ b/container/mts/encoder.go
@@ -138,10 +138,10 @@ func NewEncoder(dst io.WriteCloser, rate float64, mediaType int) *Encoder {
 		sid = audioStreamID
 	case H265:
 		mPid = videoPid
-		sid = H264ID
+		sid = H265ID
 	case H264:
 		mPid = videoPid
-		sid = H265ID
+		sid = H264ID
 	}
 
 	// standardPmt is a minimal PMT, without descriptors for time and location.
@@ -224,7 +224,7 @@ func (e *Encoder) Write(data []byte) (int, error) {
 
 	// Prepare PES data.
 	pesPkt := pes.Packet{
-		StreamID:     byte(36),
+		StreamID:     e.streamID,
 		PDI:          hasPTS,
 		PTS:          e.pts(),
 		Data:         data,