diff --git a/index.js b/index.js
index 9efa3f1..a7ae736 100644
--- a/index.js
+++ b/index.js
@@ -3,6 +3,6 @@ module.exports = {
   semi: false,
   singleQuote: true,
   bracketSpacing: false,
-  trailingComma: 'none',
+  trailingComma: 'es5',
   arrowParens: 'avoid'
 }