diff --git a/packages/fetch/src/utils/form-data.js b/packages/fetch/src/utils/form-data.js
index 10d7b2b..5ca2679 100644
--- a/packages/fetch/src/utils/form-data.js
+++ b/packages/fetch/src/utils/form-data.js
@@ -1,7 +1,8 @@
 import {randomBytes} from 'crypto';
 import { iterateMultipart } from '@web3-storage/multipart-parser';
 import { FormData } from '../package.js';
-import {isBlob} from './is.js';
+import { File } from '@web-std/file';
+import { isBlob } from './is.js';
 
 const carriage = '\r\n';
 const dashes = '-'.repeat(2);