diff --git a/src/pypnusershub/tests/test_utils.py b/src/pypnusershub/tests/test_utils.py
index 39de8e2..5f66af4 100644
--- a/src/pypnusershub/tests/test_utils.py
+++ b/src/pypnusershub/tests/test_utils.py
@@ -4,7 +4,9 @@
 from flask import Response
 from werkzeug.http import parse_cookie
 
-from pypnusershub.utils import get_cookie_path, set_cookie
+from pypnusershub.utils import get_cookie_path, set_cookie, delete_cookie
+
+from .utils import set_logged_user_cookie
 
 
 class TestUtils:
@@ -39,3 +41,11 @@ def test_set_cookie(self):
         assert cookie_attrs[key] == value
         assert cookie_attrs["Path"] == "/geonature"
         assert cookie_attrs["Expires"] != ""
+
+        logout_response = delete_cookie(response, key=key, application_url=application_url)
+        cookie = logout_response.headers.getlist("Set-Cookie")[1]
+        cookie_attrs = parse_cookie(cookie)
+
+        assert cookie_attrs[key] == ""
+        assert cookie_attrs["Path"] == "/geonature"
+        assert True