diff --git a/source/Ox.js b/source/Ox.js
index 1ad65c0f..10bb8e2c 100644
--- a/source/Ox.js
+++ b/source/Ox.js
@@ -15,6 +15,7 @@
             if (args[0] === true && regexp.test(path)) {
                 path = path.replace(regexp, 'build/');
                 loadScript('Ox.js', function() {
+                    Ox.MODE = 'build';
                     Ox.PATH = path;
                     Ox.load.apply(null, Ox.slice(args, 1));
                 });