diff --git a/index-fetch.js b/index-fetch.js
index 97e2fbb9ad5..aaf70af701d 100644
--- a/index-fetch.js
+++ b/index-fetch.js
@@ -5,8 +5,8 @@ const Agent = require('./lib/agent')
 const globalDispatcher = new Agent()
 
 const fetchImpl = require('./lib/fetch')
-module.exports.fetch = async function fetch (resource, init) {
-  return fetchImpl.call(globalDispatcher, resource, init)
+module.exports.fetch = async function fetch (resource) {
+  return fetchImpl.apply(globalDispatcher, arguments)
 }
 module.exports.FormData = require('./lib/fetch/formdata').FormData
 module.exports.Headers = require('./lib/fetch/headers').Headers