diff --git a/doc/api/util.md b/doc/api/util.md
index 3f9165f02110af..d3d26dbb946774 100644
--- a/doc/api/util.md
+++ b/doc/api/util.md
@@ -58,7 +58,7 @@ Marks that a method should not be used any more.
 ```js
 const util = require('util');
 
-exports.puts = util.deprecate(() => {
+exports.puts = util.deprecate(function() {
   for (var i = 0, len = arguments.length; i < len; ++i) {
     process.stdout.write(arguments[i] + '\n');
   }