diff --git a/lib/ace/lib/keys.js b/lib/ace/lib/keys.js
index c4cc3f31..bc1f7c0d 100644
--- a/lib/ace/lib/keys.js
+++ b/lib/ace/lib/keys.js
@@ -103,7 +103,7 @@ var Keys = (function() {
            80: 'p',  81: 'q',  82: 'r',  83: 's',  84: 't',  85: 'u', 86:  'v',
            87: 'w',  88: 'x',  89: 'y',  90: 'z', 107: '+', 109: '-', 110: '.',
           187: '=', 188: ',', 189: '-', 190: '.', 191: '/', 192: '`', 219: '[',
-          220: '\\',221: ']', 222: '\'',
+          220: '\\',221: ']', 222: '\''
         }
     };