diff --git a/package.json b/package.json
index 24ef5ea..42fc3af 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tp/helpers",
-  "version": "2.3.1",
+  "version": "2.3.2",
   "description": "",
   "main": "closest.js",
   "scripts": {
diff --git a/upload-files.js b/upload-files.js
index 6004583..1f1284c 100644
--- a/upload-files.js
+++ b/upload-files.js
@@ -8,7 +8,7 @@ export const upload = function(superClass) {
      * @param {Object} opts Upload options
      * @returns Promise
      */
-    uploadFiles(url, files, data = {}) {
+    uploadFiles(url, files = [], data = {}) {
       return new Promise((resolve, reject) => {
         const request = new XMLHttpRequest();
         const formData = new FormData();