diff --git a/attachment_zipped_download/tests/test_attachment_zipped_download.py b/attachment_zipped_download/tests/test_attachment_zipped_download.py
index eafecc47..f94ef4ee 100644
--- a/attachment_zipped_download/tests/test_attachment_zipped_download.py
+++ b/attachment_zipped_download/tests/test_attachment_zipped_download.py
@@ -28,5 +28,5 @@ class TestAttachmentZippedDownload(odoo.tests.HttpCase):
     def test_action_attachments_download(self):
         self.authenticate("test-user", "test-user")
         res = self.attachments.action_attachments_download()
-        response = self.url_open(res["url"], timeout=20)
+        response = self.opener.get(res["url"], timeout=20)
         self.assertEqual(response.status_code, 200)