diff --git a/src/request.js b/src/request.js
index ea81786a..672cdc22 100644
--- a/src/request.js
+++ b/src/request.js
@@ -62,7 +62,7 @@ export default function upload(option) {
     });
   }
 
-  formData.append(option.filename, option.file);
+  formData.append(option.filename, option.file, option.file && option.file.name);
 
   xhr.onerror = function error(e) {
     option.onError(e);