diff --git a/gulpfile.js b/gulpfile.js
index 2595cbdfbf72d06123e8a929797dbdd1ee9c0d58..212ab096baf15c297509ad1d050d38941b86fb95 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -592,7 +592,9 @@ function webIntegrity() {
         .pipe(gulp.dest(targetPath));
   }
 
-  if (done) done();
+  else {
+    return Promise.resolve();
+  }
 }
 
 function webApiUglify() {