diff --git a/static/v2/js/forms.js b/static/v2/js/forms.js
index 8fcf0fc..4d7d7ca 100644
--- a/static/v2/js/forms.js
+++ b/static/v2/js/forms.js
@@ -113,7 +113,7 @@ function getFormOwnerType(el){
 function dataToFormData(data) {
     let formData = new FormData();
 
-    for (let key of data) {
+    for (let key of Object.keys(data)) {
         formData.append(key, data[key]);
     }
     return formData;