diff --git a/src/paperless_mail/views.py b/src/paperless_mail/views.py
index 3fbf46ec9..e48049a36 100644
--- a/src/paperless_mail/views.py
+++ b/src/paperless_mail/views.py
@@ -35,6 +35,7 @@ from paperless_mail.tasks import process_mail_accounts
 @extend_schema_view(
     test=extend_schema(
         operation_id="mail_account_test",
+        request=MailAccountSerializer,
         description="Test a mail account",
         responses={
             200: inline_serializer(