diff --git a/stream/mts/psi/helpers.go b/stream/mts/psi/helpers.go
index 9beecab4..1ad8364a 100644
--- a/stream/mts/psi/helpers.go
+++ b/stream/mts/psi/helpers.go
@@ -138,5 +138,5 @@ func addPadding(d []byte) []byte {
 	for i := range padding {
 		padding[i] = 0xff
 	}
-	return d
+	return t
 }