From 5508cb1bf94b5ed82688d50ce2aacbfb99b5ff72 Mon Sep 17 00:00:00 2001
From: Kevin Simper <kevin.simper@gmail.com>
Date: Fri, 14 Nov 2014 15:43:25 +0100
Subject: [PATCH] If window is not defined

---
 src/crafty.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/crafty.js b/src/crafty.js
index 0e057f54..d3d32b2d 100644
--- a/src/crafty.js
+++ b/src/crafty.js
@@ -29,5 +29,6 @@ require('./time');
 require('./version');
 require('./viewport');
 
-window.Crafty = Crafty;
+if(window) window.Crafty = Crafty;
+
 module.exports = Crafty;
\ No newline at end of file