diff --git a/stream/mts/encoder.go b/stream/mts/encoder.go
index 18ceee89..decc8558 100644
--- a/stream/mts/encoder.go
+++ b/stream/mts/encoder.go
@@ -196,7 +196,7 @@ type Encoder struct {
 	clock         time.Duration
 	frameInterval time.Duration
 	ptsOffset     time.Duration
-	tsSpace       [PktSize]byte
+	tsSpace       [PacketSize]byte
 	pesSpace      [pes.MaxPesSize]byte
 
 	psiCount int
@@ -269,7 +269,7 @@ func (e *Encoder) Encode(nalu []byte) error {
 			}
 		}
 		e.psiCount--
-		_, err := e.dst.Write(pkt.Bytes(e.tsSpace[:PktSize]))
+		_, err := e.dst.Write(pkt.Bytes(e.tsSpace[:PacketSize]))
 		if err != nil {
 			return err
 		}
@@ -291,7 +291,7 @@ func (e *Encoder) writePSI() error {
 		AFC:     hasPayload,
 		Payload: patTable,
 	}
-	_, err := e.dst.Write(patPkt.Bytes(e.tsSpace[:PktSize]))
+	_, err := e.dst.Write(patPkt.Bytes(e.tsSpace[:PacketSize]))
 	if err != nil {
 		return err
 	}
@@ -314,7 +314,7 @@ func (e *Encoder) writePSI() error {
 		AFC:     hasPayload,
 		Payload: pmtTable,
 	}
-	_, err = e.dst.Write(pmtPkt.Bytes(e.tsSpace[:PktSize]))
+	_, err = e.dst.Write(pmtPkt.Bytes(e.tsSpace[:PacketSize]))
 	if err != nil {
 		return err
 	}
diff --git a/stream/mts/mpegts.go b/stream/mts/mpegts.go
index 3756262d..e48f17f0 100644
--- a/stream/mts/mpegts.go
+++ b/stream/mts/mpegts.go
@@ -33,7 +33,7 @@ import (
 )
 
 const (
-	PktSize     = 188
+	PacketSize  = 188
 	PayloadSize = 176
 )
 
@@ -130,13 +130,13 @@ type Packet struct {
 // FindPMT will take a clip of mpegts and try to find a PMT table - if one
 // is found, then it is returned, otherwise nil and an error is returned.
 func FindPMT(d []byte) (p []byte, err error) {
-	if len(d) < PktSize {
+	if len(d) < PacketSize {
 		return nil, errors.New("Mmpegts data not of valid length")
 	}
-	for i := 0; i < len(d); i += PktSize {
+	for i := 0; i < len(d); i += PacketSize {
 		pid := (uint16(d[i+1]&0x1f) << 8) | uint16(d[i+2])
 		if pid == pmtPid {
-			p = d[i+4 : i+PktSize]
+			p = d[i+4 : i+PacketSize]
 			return
 		}
 	}
@@ -169,8 +169,8 @@ func asByte(b bool) byte {
 // ToByteSlice interprets the fields of the ts packet instance and outputs a
 // corresponding byte slice
 func (p *Packet) Bytes(buf []byte) []byte {
-	if buf == nil || cap(buf) != PktSize {
-		buf = make([]byte, 0, PktSize)
+	if buf == nil || cap(buf) != PacketSize {
+		buf = make([]byte, 0, PacketSize)
 	}
 	buf = buf[:0]
 	stuffingLength := 182 - len(p.Payload) - len(p.TPD) - asInt(p.PCRF)*6 -