diff --git a/src/main/java/com/solab/iso8583/util/HexCodec.java b/src/main/java/com/solab/iso8583/util/HexCodec.java
index 2763258..68171f0 100644
--- a/src/main/java/com/solab/iso8583/util/HexCodec.java
+++ b/src/main/java/com/solab/iso8583/util/HexCodec.java
@@ -3,7 +3,7 @@ package com.solab.iso8583.util;
 /** Utility class to perform HEX encoding/decoding of values. */
 public final class HexCodec {
 
-	static final char[] HEX = new char[]{ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
+	static final char[] HEX = "0123456789ABCDEF".toCharArray();
 
     private HexCodec(){}