diff --git a/etc/nova/policy.json b/etc/nova/policy.json
index 6444f5ab3cfe..b3948c495ebd 100644
--- a/etc/nova/policy.json
+++ b/etc/nova/policy.json
@@ -145,6 +145,7 @@
     "compute_extension:v3:flavor-extra-specs:update": "rule:admin_api",
     "compute_extension:v3:flavor-extra-specs:delete": "rule:admin_api",
     "compute_extension:flavormanage": "rule:admin_api",
+    "compute_extension:v3:flavor-manage:discoverable": "",
     "compute_extension:v3:flavor-manage": "rule:admin_api",
     "compute_extension:floating_ip_dns": "",
     "compute_extension:floating_ip_pools": "",