diff --git a/scripts/build.js b/scripts/build.js
index 2621194..911eaa3 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -7,7 +7,12 @@ schemaBuilder.buildDev();
 minifyJSON('dist/translations/zh-CN.json', 'dist/translations/zh-CN..min.json');
 
 
-fs.cp('dist/','../iD/dist/x/');
+fs.cp('dist/','../iD/dist/x/' ,{ recursive: true }, (err) => {
+  if (err) {
+    console.error(err);
+  }
+});
+
     
 function minifyJSON(inPath, outPath) {
   return new Promise((resolve, reject) => {