diff --git a/stream/mts/mpegts.go b/stream/mts/mpegts.go
index 012a912c..6d51a0b0 100644
--- a/stream/mts/mpegts.go
+++ b/stream/mts/mpegts.go
@@ -182,7 +182,7 @@ func FindPID(d []byte, pid uint16) (pkt []byte, i int, err error) {
 			return
 		}
 	}
-	return nil, -1, errors.New("Could not find packet with given pid in mpegts data")
+	return nil, -1, errors.New(fmt.Sprintf("could not find packet with pid: %v",pid))
 }
 
 // FillPayload takes a channel and fills the packets Payload field until the