diff --git a/gulp/tasks/clean.js b/gulp/tasks/clean.js
index 43b71a3..ec7e1d5 100644
--- a/gulp/tasks/clean.js
+++ b/gulp/tasks/clean.js
@@ -2,5 +2,5 @@
     del     = require('del');
 
 gulp.task('clean', function (done) {
-    del(paths.out, done);
+    return del(paths.out, done);
 });