diff --git a/src/keyboard.js b/src/keyboard.js
index 3be85e91..bb2886b0 100644
--- a/src/keyboard.js
+++ b/src/keyboard.js
@@ -85,6 +85,8 @@ var Keyboard = function(){
     for(i = 65; i <= 90; i++){
 	this.k_chars[String.fromCharCode(i).toLowerCase()] = String.fromCharCode(i).toLowerCase();
 	this.k_chars['shift+'+String.fromCharCode(i).toLowerCase()] = String.fromCharCode(i).toUpperCase();
+	this.k_char['capslock+'+String.fromCharCode(i).toLowerCase()] = String.fromCharCode(i).toUpperCase();
+	this.k_char['capslock+shift+'+String.fromCharCode(i).toLowerCase()] = String.fromCharCode(i).toLowerCase();    
     }
 
     // numbers