diff --git a/tasks/build_task.js b/tasks/build_task.js
index 1da41026714..272305da139 100644
--- a/tasks/build_task.js
+++ b/tasks/build_task.js
@@ -4,7 +4,7 @@ module.exports = function(grunt) {
   grunt.registerTask('build', [
     'jshint:source',
     'clean:on_start',
-    'less:dist',
+    'less:src',
     'copy:everything_but_less_to_temp',
     'htmlmin:build',
     'cssmin:build',
diff --git a/tasks/options/copy.js b/tasks/options/copy.js
index 2abb6fdf01c..a76466c5417 100644
--- a/tasks/options/copy.js
+++ b/tasks/options/copy.js
@@ -4,7 +4,7 @@ module.exports = function(config) {
     everything_but_less_to_temp: {
       cwd: '<%= srcDir %>',
       expand: true,
-      src: ['**/*', '!**/*.less'],
+      src: ['**/*', '!**/*.less', '!config.js'],
       dest: '<%= tempDir %>'
     }
   };
diff --git a/tasks/options/uglify.js b/tasks/options/uglify.js
index cea879980b5..1ca15b06957 100644
--- a/tasks/options/uglify.js
+++ b/tasks/options/uglify.js
@@ -2,7 +2,7 @@ module.exports = function(config) {
   return {
     dest: {
       expand: true,
-      src: ['**/*.js', '!config.js', '!app/dashboards/*.js', '!app/dashboards/**/*.js',],
+      src: ['**/*.js', '!config.sample.js', '!app/dashboards/*.js', '!app/dashboards/**/*.js',],
       dest: '<%= destDir %>',
       cwd: '<%= destDir %>',
       options: {