--- a/src_js/iconolab-bundle/.babelrc	Tue Jun 05 13:56:20 2018 +0200
+++ b/src_js/iconolab-bundle/.babelrc	Wed Jun 06 16:21:54 2018 +0200
@@ -1,3 +1,5 @@
 {
-  "presets": ["es2015"],
+  "presets": [
+      ["es2015", { "modules": false } ]
+  ]
 }