diff --git a/pkg/ueps/packet.go b/pkg/ueps/packet.go
index e45c433..840f15d 100644
--- a/pkg/ueps/packet.go
+++ b/pkg/ueps/packet.go
@@ -104,19 +104,19 @@ func (builder *PacketBuilder) MarshalAndSign(sharedSecret []byte) ([]byte, error
 
 // writeTLV(buffer, TagVersion, []byte{0x09})
 // writeTLV(buffer, TagIntent, []byte{intentID})
-func writeTLV(writer io.Writer, tag uint8, value []byte) error {
-	// writeTLV(writer, tag, bytes.Repeat([]byte("x"), 256)) → errTLVValueTooLarge
-	if len(value) > 255 {
+func writeTLV(writer io.Writer, tagByte uint8, tagValue []byte) error {
+	// writeTLV(writer, TagVersion, bytes.Repeat([]byte("x"), 256)) → errTLVValueTooLarge
+	if len(tagValue) > 255 {
 		return errTLVValueTooLarge
 	}
 
-	if _, err := writer.Write([]byte{tag}); err != nil {
+	if _, err := writer.Write([]byte{tagByte}); err != nil {
 		return err
 	}
-	if _, err := writer.Write([]byte{uint8(len(value))}); err != nil {
+	if _, err := writer.Write([]byte{uint8(len(tagValue))}); err != nil {
 		return err
 	}
-	if _, err := writer.Write(value); err != nil {
+	if _, err := writer.Write(tagValue); err != nil {
 		return err
 	}
 	return nil