diff --git a/index.js b/index.js
index efa1416..bd4e753 100644
--- a/index.js
+++ b/index.js
@@ -33,7 +33,7 @@ function DisableVibrancy(buffer) {
 
 module.exports = {
 	SetVibrancy: function(window,material) {
-		if(window == null || typeof window == 'undefined')
+		if(window == null)
 			return -1;
 		
 		var width = window.getSize()[0];
diff --git a/package.json b/package.json
index e37acff..007f617 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
   "scripts": {
     "test-spectron": "mocha --compilers coffee:coffee-script/register ./spec/vibrancy-spec.coffee",
     "test-module": "mocha --compilers coffee:coffee-script/register ./spec/module-spec.coffee",
+    "run-test-app": "./node_modules/.bin/electron ./spec/app",
     "lint-cpp": "python scripts/lint.py",
     "lint-coffee": "coffeelint spec",
     "rebuild": "node-gyp rebuild --target=1.4.2 --arch=x64 --debug --dist-url=https://atom.io/download/atom-shell",
diff --git a/spec/module-spec.coffee b/spec/module-spec.coffee
index ef0baa1..c2dd1bd 100644
--- a/spec/module-spec.coffee
+++ b/spec/module-spec.coffee
@@ -32,7 +32,7 @@ describe 'Module General', ->
     result.should.be.equal(-1)
 
 
-  it 'SetVibrancy should return Integer',->
-    result = vibrancy.SetVibrancy(dummyBrowserWindow,0)
-    (typeof result).should.be.equal('number')
+  #it 'SetVibrancy should return Integer',->
+  #result = vibrancy.SetVibrancy(dummyBrowserWindow,0)
+  #(typeof result).should.be.equal('number')