diff --git a/static/js/ace2_common.js b/static/js/ace2_common.js
index 02dc350f..18478586 100644
--- a/static/js/ace2_common.js
+++ b/static/js/ace2_common.js
@@ -74,8 +74,12 @@ function isArray(testObject)
   return testObject && typeof testObject === 'object' && !(testObject.propertyIsEnumerable('length')) && typeof testObject.length === 'number';
 }
 
+if (typeof exports !== "undefined")
+{
+  var navigator = {userAgent: "node-js"};
+}
 // Figure out what browser is being used (stolen from jquery 1.2.1)
-var userAgent = navigator.userAgent.toLowerCase();
+userAgent = navigator.userAgent.toLowerCase();
 var browser = {
   version: (userAgent.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1],
   safari: /webkit/.test(userAgent),
@@ -85,6 +89,7 @@ var browser = {
   windows: /windows/.test(userAgent) // dgreensp
 };
 
+
 function getAssoc(obj, name)
 {
   return obj["_magicdom_" + name];
@@ -130,3 +135,8 @@ function htmlPrettyEscape(str)
 {
   return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\r?\n/g, '\\n');
 }
+
+if (typeof exports !== "undefined")
+{
+  exports.map = map;
+}
\ No newline at end of file