diff --git a/source/Ox.js b/source/Ox.js
index 10bb8e2c..1725635d 100644
--- a/source/Ox.js
+++ b/source/Ox.js
@@ -10,7 +10,7 @@
                 callback = args[args.length - 1],
                 path = getPath(),
                 regexp = /dev\/$/,
-                time = +new Date();
+                version;
 
             if (args[0] === true && regexp.test(path)) {
                 path = path.replace(regexp, 'build/');
@@ -22,6 +22,7 @@
             } else {
                 loadJSON(function(data) {
                     var previousOx = global.Ox;
+                    version = data.version;
                     loadScriptsSerial(data.files, function() {
                         Ox.LOCALES = data.locales;
                         Ox.VERSION = data.version;
@@ -47,7 +48,8 @@
             }
 
             function loadJSON(callback) {
-                var request = new XMLHttpRequest();
+                var request = new XMLHttpRequest(),
+                    time = +new Date();
                 request.open('GET', path + 'Ox/json/Ox.json?' + time, true);
                 request.onreadystatechange = function() {
                     if (request.readyState == 4) {
@@ -73,7 +75,7 @@
                         callback();
                     }
                 }
-                element.src = path + script + '?' + time;
+                element.src = path + script + '?' + version;
                 element.type = 'text/javascript';
                 head.appendChild(element);
             }