diff --git a/lib/helpers/api_helper.dart b/lib/helpers/api_helper.dart
index 29d86a9..7654eb6 100644
--- a/lib/helpers/api_helper.dart
+++ b/lib/helpers/api_helper.dart
@@ -116,10 +116,13 @@ class ApiHelper {
         "POST",
         Uri.base,
         body: utf8.encode('code=$code&client_id=proxy'),
-        headers: {'Content-Type': 'application/x-www-form-urlencoded'},
       ),
     );
 
+    if (tokenRes.statusCode != 200) {
+      return Response(400, body: "Token post failed");
+    }
+
     final uri = Uri.parse(redirectUri).replace(
       queryParameters: {
         ...Uri.parse(redirectUri).queryParameters,