diff --git a/app/index.js b/app/index.js
index a7789eaf..6e117066 100644
--- a/app/index.js
+++ b/app/index.js
@@ -69,7 +69,7 @@ module.exports = generators.Base.extend({
   writing: function () {
     var pkg = this.fs.readJSON(this.destinationPath('package.json'), {});
     extend(pkg, {
-      main: "generators/app/index.js",
+      main: 'generators/app/index.js',
       dependencies: {
         'yeoman-generator': '^0.24.0',
         'yeoman-easily': '^0.3.4',