diff --git a/scripts/build.js b/scripts/build.js
index 57e867b..2621194 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -7,7 +7,7 @@ schemaBuilder.buildDev();
 minifyJSON('dist/translations/zh-CN.json', 'dist/translations/zh-CN..min.json');
 
 
-fs.copyFile('dist/','../iD/dist/x/');
+fs.cp('dist/','../iD/dist/x/');
     
 function minifyJSON(inPath, outPath) {
   return new Promise((resolve, reject) => {