diff --git a/index.js b/index.js
index b4c13ea..43c7dba 100644
--- a/index.js
+++ b/index.js
@@ -16,6 +16,12 @@ var ms = require('ms')
 var onFinished = require('on-finished')
 var onHeaders = require('on-headers')
 
+/**
+ * Module exports.
+ */
+
+module.exports = timeout
+
 /**
  * Timeout:
  *
@@ -27,7 +33,7 @@ var onHeaders = require('on-headers')
  * @api public
  */
 
-module.exports = function timeout (time, options) {
+function timeout (time, options) {
   var opts = options || {}
 
   var delay = typeof time === 'string'