diff --git a/lib/tools/copydirSync.js b/lib/tools/copydirSync.js
index 11673b9b94..9c707a60ef 100644
--- a/lib/tools/copydirSync.js
+++ b/lib/tools/copydirSync.js
@@ -35,7 +35,7 @@ function copydirSync(from, to, options) {
         fs.statSync(to);
       } catch(err) {
         if(err.code === 'ENOENT') {
-          fs.mkdirSync(to);
+          fs.mkdirSync(to, { recursive: true });
           options.debug && console.log('>> ' + to);
         } else {
           throw err;