diff --git a/endpoint/tests/test_endpoint.py b/endpoint/tests/test_endpoint.py
index c5501d81..4a1b3e82 100644
--- a/endpoint/tests/test_endpoint.py
+++ b/endpoint/tests/test_endpoint.py
@@ -168,7 +168,7 @@ def test_routing(self):
             },
         )
         # check prefix
-        type(endpoint)._endpoint_route_prefix = "/foo"
+        self.patch(type(endpoint), "_endpoint_route_prefix", "/foo")
         endpoint._compute_route()
         __, info, __ = endpoint._get_routing_info()
         self.assertEqual(
@@ -182,7 +182,6 @@ def test_routing(self):
                 "readonly": False,
             },
         )
-        type(endpoint)._endpoint_route_prefix = ""
 
     @mute_logger("odoo.modules.registry")
     def test_unlink(self):