diff --git a/src/api.ts b/src/api.ts
index e78ed21..e9b0cce 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -24,7 +24,7 @@ export const Post = async (post_form: Inputs) => {
   processed_form.set('content', post_form.content)
   if (post_form.files && post_form.files.length > 0) {
     for (const file of post_form.files) {
-      processed_form.append('files', file)
+      processed_form.append('enclosure', file)
     }
   }
   if (post_form.signing && post_form.signing.length > 0) {