diff --git a/gulp-tasks/clean.js b/gulp-tasks/clean.js
index 8bf98f79..305354f8 100644
--- a/gulp-tasks/clean.js
+++ b/gulp-tasks/clean.js
@@ -1,6 +1,8 @@
 var del = require('del');
 
 module.exports = function (gulp, plugins, config) {
-    del.sync('source/assets/{css,fonts,js}');
-    del.sync('output_*/assets/{css,fonts,js}');
+    return function () {
+        del.sync('source/assets/{css,fonts,js}');
+        del.sync('output_*/assets/{css,fonts,js}');
+    }
 }