--- a/src_js/iconolab-bundle/.babelrc	Tue Aug 23 18:37:07 2016 +0200
+++ b/src_js/iconolab-bundle/.babelrc	Fri Aug 26 18:48:30 2016 +0200
@@ -1,3 +1,3 @@
 {
-  "presets": ["es2015"],
+  "presets": ["es2015-mod", "es2015"],
 }