diff --git a/index.html b/index.html
index a7b197f..21fcc3c 100644
--- a/index.html
+++ b/index.html
@@ -310,7 +310,7 @@ <h2>File-List</h2>
 		<script src="libs/lz-string.min.js"></script>
 		<script src="scripts/RPGFile.js?ver=1.1"></script>
 		<script src="scripts/ErrorException.js?ver=1.0"></script>
-		<script src="scripts/Decrypter.js?ver=1.3.0"></script>
+		<script src="scripts/Decrypter.js?ver=1.3.1"></script>
 		<script src="scripts/ZIP.js?ver=0.3"></script>
 		<script src="scripts/functions.js?ver=1.2.2"></script>
 	</body>
diff --git a/scripts/Decrypter.js b/scripts/Decrypter.js
index 3a1f032..e3fc43a 100644
--- a/scripts/Decrypter.js
+++ b/scripts/Decrypter.js
@@ -277,7 +277,6 @@ Decrypter.detectEncryptionCode = function(rpgFile, callback) {
 	(window.addEventListener ? 'load' : 'onload', function() {
 		var key;
 		var fileContent;
-		var message = null;
 
 		try {
 			fileContent = JSON.parse('[' + this.result + ']');