diff --git a/lib/write-translations.js b/lib/write-translations.js
index 46ebaf169f..5bce1feeb5 100755
--- a/lib/write-translations.js
+++ b/lib/write-translations.js
@@ -9,6 +9,12 @@
 
 /* generate the i18n/en.json file */
 
+require('babel-register')({
+  babelrc: false,
+  plugins: ['transform-class-properties'],
+  presets: ['env'],
+});
+
 const traverse = require('babel-traverse').default;
 const babylon = require('babylon');
 const fs = require('fs-extra');