diff --git a/src/helpers/normalize-send.js b/src/helpers/normalize-send.js
index ebb209bb..9b49989c 100644
--- a/src/helpers/normalize-send.js
+++ b/src/helpers/normalize-send.js
@@ -1,5 +1,5 @@
 export default function normalizeSendData(data) {
-  if (Object.prototype.toString.call(data) !== '[object Blob]' && !(data instanceof ArrayBuffer)) {
+  if (Object.prototype.toString.call(data) !== '[object Blob]' && !(data instanceof ArrayBuffer || (data.constructor && data.constructor.name === 'ArrayBuffer'))) {
     data = String(data);
   }