diff --git a/Gruntfile.js b/Gruntfile.js
index 8dd4b091a..6cea60345 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -399,11 +399,11 @@ module.exports = function (grunt) {
       },
       less: {
         files: 'less/**/*.less',
-        tasks: 'less'
+        tasks: ['less', 'copy']
       },
       docs: {
         files: 'docs/assets/less/**/*.less',
-        tasks: 'less'
+        tasks: ['less']
       }
     },