diff --git a/nova/tests/unit/api/openstack/compute/test_flavor_manage.py b/nova/tests/unit/api/openstack/compute/test_flavor_manage.py
index 17119675fce3..2b333f5174eb 100644
--- a/nova/tests/unit/api/openstack/compute/test_flavor_manage.py
+++ b/nova/tests/unit/api/openstack/compute/test_flavor_manage.py
@@ -526,9 +526,10 @@ class FlavorManagerPolicyEnforcementV21(test.TestCase):
             exc.format_message())
 
     def test_flavor_update_non_admin_fails(self):
-        """Tests that trying to update a flavor as a non-admin fails due
-        to the default policy.
+        """Tests that trying to update a flavor as a non-admin fails.
         """
+        rule_name = "os_compute_api:os-flavor-manage:update"
+        self.policy.set_rules({rule_name: "is_admin:True"})
         self.req.api_version_request = api_version_request.APIVersionRequest(
             '2.55')
         exc = self.assertRaises(
diff --git a/nova/tests/unit/fake_policy.py b/nova/tests/unit/fake_policy.py
index 37856a59d5c2..481119aae634 100644
--- a/nova/tests/unit/fake_policy.py
+++ b/nova/tests/unit/fake_policy.py
@@ -45,6 +45,7 @@ policy_data = """
     "os_compute_api:os-flavor-extra-specs:index": "",
     "os_compute_api:os-flavor-extra-specs:show": "",
     "os_compute_api:os-flavor-manage:create": "",
+    "os_compute_api:os-flavor-manage:update": "",
     "os_compute_api:os-flavor-manage:delete": "",
     "os_compute_api:os-floating-ip-pools": "",
     "os_compute_api:os-floating-ips": "",