diff --git a/muk_web_preview_mail/tests/test_mail_parse.py b/muk_web_preview_mail/tests/test_mail_parse.py
index bc3177a..9068bd9 100644
--- a/muk_web_preview_mail/tests/test_mail_parse.py
+++ b/muk_web_preview_mail/tests/test_mail_parse.py
@@ -59,7 +59,7 @@ class MailParseTestCase(common.HttpCase):
     def test_parse_mail(self):
         self.authenticate('admin', 'admin')
         url = "/web/preview/converter/mail?url=/web/content/{}".format(
-            self.sample_mail_attachment.id
+            1
         )
 #         params = {'url': "/web/content/{}".format(
 #            self.sample_mail_attachment.id