diff --git a/site/bin/crypt.js b/site/bin/crypt.js
index ed26129..d816854 100644
--- a/site/bin/crypt.js
+++ b/site/bin/crypt.js
@@ -14,6 +14,8 @@ function mod(n, p) {
 function encrypt(msg, key) {
 	var encMsg = "";
 
+	key -= 0;
+
 	for (var i = 0; i < msg.length; i++) {
 		var code = msg.charCodeAt(i);