diff --git a/pkg/ueps/reader.go b/pkg/ueps/reader.go
index 6ea0972..73b4bd3 100644
--- a/pkg/ueps/reader.go
+++ b/pkg/ueps/reader.go
@@ -86,7 +86,7 @@ func ReadAndVerify(reader *bufio.Reader, sharedSecret []byte) (*ParsedPacket, er
 		case TagHMAC:
 			hmacSignature = tagValue
 		default:
-			// signedData.WriteByte(unknownTag); signedData.Write(tagValue) — unknown tags contribute to HMAC, blocking injection
+			// signedData.WriteByte(tagByte); signedData.Write(tagValue) — unknown tags contribute to HMAC, blocking injection
 			signedData.WriteByte(tagByte)
 			signedData.WriteByte(tagValueLength)
 			signedData.Write(tagValue)