diff --git a/index.js b/index.js
index 7fd5bde..506e220 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,4 @@
 'use strict';
 
 var lib = require('./lib/app-root-path.js');
-module.exports = lib(__dirname);
\ No newline at end of file
+module.exports = lib(typeof __dirname === "undefined" ? process.cwd() : __dirname);
\ No newline at end of file