diff --git a/bin/server.dart b/bin/server.dart
index 0fea858..0b68873 100644
--- a/bin/server.dart
+++ b/bin/server.dart
@@ -106,16 +106,15 @@ Future<void> _postOnMastodon(reqJson) async {
         options:
             dio_lib.Options(headers: {'Authorization': 'Bearer $authToken'}));
   } else {
-    final mediaResponses = await photoUrls.map((photoUrl) async => await dio.post(
-        '$instanceUrl/api/v1/media',
-        data: dio_lib.FormData.fromMap({'file': File(photoUrl)}),
-        options:
-            dio_lib.Options(headers: {'Authorization': 'Bearer $authToken'})));
+    var mediaIds = [];
 
-    final mediaIds = mediaResponses.map((mediaResponse) {
-      final mediaId = mediaResponse.data['id'];
-      return mediaId;
-    }).toList();
+    for (final photoUrl in photoUrls) {
+      final resp = await dio.post('$instanceUrl/api/v1/media',
+          data: dio_lib.FormData.fromMap({'file': File(photoUrl)}),
+          options:
+              dio_lib.Options(headers: {'Authorization': 'Bearer $authToken'}));
+      mediaIds.add(resp.data['id']);
+    }
 
     await dio.post('$instanceUrl/api/v1/statuses',
         data: {'status': postText, 'media_ids': mediaIds},