diff --git a/lib/ace/lib/keys.js b/lib/ace/lib/keys.js
index 78cede51..bd68b4c1 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: '.',
           188: ',', 190: '.', 191: '/', 192: '`', 219: '[', 220: '\\',
-          221: ']', 222: '\''
+          221: ']', 222: '\'', 187: '=', 189: '-'
         }
     };
 
@@ -130,10 +130,10 @@ var Keys = (function() {
     ret.enter = ret["return"];
     ret.escape = ret.esc;
     ret.del = ret["delete"];
-    
+
     // workaround for firefox bug
     ret[173] = '-';
-    
+
     (function() {
         var mods = ["cmd", "ctrl", "alt", "shift"];
         for (var i = Math.pow(2, mods.length); i--;) {