diff --git a/src/upload/adapters/browser.js b/src/upload/adapters/browser.js
index ad610ab..73dcd87 100644
--- a/src/upload/adapters/browser.js
+++ b/src/upload/adapters/browser.js
@@ -1,4 +1,4 @@
-function uploadToS3(file, url, { onProgress }) {
+export function uploadToS3(file, url, { onProgress }) {
   const xhr = new XMLHttpRequest();
 
   const promise = new Promise((resolve, reject) => {
diff --git a/src/upload/adapters/node.js b/src/upload/adapters/node.js
index dc0ab54..2a02728 100644
--- a/src/upload/adapters/node.js
+++ b/src/upload/adapters/node.js
@@ -1,7 +1,9 @@
 import url from 'url';
 import fs from 'fs';
 import remote from './nodeRemote';
-import local from './nodeLocal';
+import local, { uploadToS3 } from './nodeLocal';
+
+export { uploadToS3 };
 
 export default function node(client, source, options = {}) {
   const { host } = url.parse(source);
diff --git a/src/upload/adapters/nodeLocal.js b/src/upload/adapters/nodeLocal.js
index 6bdc489..a4aa356 100644
--- a/src/upload/adapters/nodeLocal.js
+++ b/src/upload/adapters/nodeLocal.js
@@ -3,7 +3,7 @@ import path from 'path';
 import fs from 'fs';
 import mime from 'mime-types';
 
-function uploadToS3(url, filePath, { onProgress }) {
+export function uploadToS3(filePath, url, { onProgress }) {
   const totalLength = fs.statSync(filePath).size;
   let isCancelled = false;
   const promise = got.put(url, {
@@ -60,8 +60,8 @@ export default function nodeLocal(client, filePath, options) {
         });
       }
       const { promise: uploadPromise, cancel: cancelUpload } = uploadToS3(
-        url,
         filePath,
+        url,
         {
           onProgress: options.onProgress,
         },