diff --git a/js/krypton.js b/js/krypton.js
index 2c04e88..284b864 100644
--- a/js/krypton.js
+++ b/js/krypton.js
@@ -615,7 +615,7 @@ Krypton.ciphers = {
 			return arr.reverse().join("").trim();
 		},
 		hex: function () {
-			var string = Krypton.o.content.toLowerCase();
+			var string = Krypton.o.content;
 			var str = '', i = 0, c;
 
 			for (; i < string.length; i++)
@@ -933,4 +933,4 @@ Krypton.ciphers = {
 			return CryptoJS.PBKDF2(string, key, { keySize: 512 / 32 }).toString();
 		}
 	}
-};
\ No newline at end of file
+};