diff --git a/website_recaptcha_v2_login/tests/test_recaptcha.py b/website_recaptcha_v2_login/tests/test_recaptcha.py
index 9059537668..4ee5327519 100644
--- a/website_recaptcha_v2_login/tests/test_recaptcha.py
+++ b/website_recaptcha_v2_login/tests/test_recaptcha.py
@@ -1,5 +1,6 @@
 from unittest import mock
 
+from odoo.exceptions import AccessDenied
 from odoo.tests import common
 
 imp_requests = "odoo.addons.website_recaptcha_v2.models.website.requests"
@@ -25,3 +26,9 @@ def test_captcha_valid(self, requests_mock):
             {"g-recaptcha-response": "dummy_response"}
         )
         self.assertTrue(result)
+
+    @mock.patch(imp_requests)
+    def test_captcha_not_valid(self, requests_mock):
+        requests_mock.post().json.return_value = {"success": False}
+        with self.assertRaises(AccessDenied):
+            self.website.valid_recaptcha({"g-recaptcha-response": ""})