diff --git a/lib/key_generators/dictionary.js b/lib/key_generators/dictionary.js
index 6bc6c2e..ad40b9a 100644
--- a/lib/key_generators/dictionary.js
+++ b/lib/key_generators/dictionary.js
@@ -24,7 +24,7 @@ var DictionaryGenerator = function(options) {
 DictionaryGenerator.prototype.createKey = function(keyLength) {
   var text = '';
   for(var i = 0; i < keyLength; i++)
-    text += this.dictionary[Math.floor(Math.random()*this.dictionary.length];
+    text += this.dictionary[Math.floor(Math.random()*this.dictionary.length)];
   return text;
 };