diff --git a/stream/mts/psi/psi_test.go b/stream/mts/psi/psi_test.go
index ccffbad1..afb361f5 100644
--- a/stream/mts/psi/psi_test.go
+++ b/stream/mts/psi/psi_test.go
@@ -135,7 +135,7 @@ var bytesTests = []struct {
 					Pcrpid: 0x0100, // wrong
 					Pil:    10,
 					Pd: []Desc{
-						Desc{
+						{
 							Dt: timeDescTag,
 							Dl: timeDataSize,
 							Dd: TimeBytes(tstTime1),
@@ -170,12 +170,12 @@ var bytesTests = []struct {
 					Pcrpid: 0x0100, // wrong
 					Pil:    10,
 					Pd: []Desc{
-						Desc{
+						{
 							Dt: timeDescTag,
 							Dl: timeDataSize,
 							Dd: TimeBytes(tstTime2),
 						},
-						Desc{
+						{
 							Dt: locationDescTag,
 							Dl: locationDataSize,
 							Dd: LocationStrBytes(locationTstStr1),
diff --git a/stream/mts/psi/std.go b/stream/mts/psi/std.go
index 329f37cd..4fd9618c 100644
--- a/stream/mts/psi/std.go
+++ b/stream/mts/psi/std.go
@@ -92,12 +92,12 @@ var (
 				Pcrpid: 0x0100,
 				Pil:    pmtTimeLocationPil,
 				Pd: []Desc{
-					Desc{
+					{
 						Dt: timeDescTag,
 						Dl: timeDataSize,
 						Dd: make([]byte, timeDataSize),
 					},
-					Desc{
+					{
 						Dt: locationDescTag,
 						Dl: locationDataSize,
 						Dd: make([]byte, locationDataSize),