diff --git a/app/templates/Gruntfile(grunt).js b/app/templates/Gruntfile(grunt).js
index 87846d184..af7ee8c7e 100644
--- a/app/templates/Gruntfile(grunt).js
+++ b/app/templates/Gruntfile(grunt).js
@@ -636,7 +636,7 @@ module.exports = function (grunt) {
         files: [{
           expand: true,
           cwd: '<%%= yeoman.server %>',
-          src: ['**/*.{js,json}'],
+          src: ['**/*.js'],
           dest: '<%%= yeoman.dist %>/<%%= yeoman.server %>'
         }]
       }