diff --git a/stream/mts/encoder.go b/stream/mts/encoder.go
index 31fe4923..618817ea 100644
--- a/stream/mts/encoder.go
+++ b/stream/mts/encoder.go
@@ -41,12 +41,12 @@ const (
 	psiSendCount  = 7
 )
 
-type MetaData struct {
+type TimeLocation struct {
 	time     uint64
 	location string
 }
 
-var metaData = MetaData{time: 0, location: ""}
+var metaData = TimeLocation{}
 
 func SetTimeStamp(t uint64) {
 	metaData.time = t