diff --git a/setup.cfg b/setup.cfg
index f956373c4..1448e7086 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -29,7 +29,7 @@ oslo.config.opts =
     nova.conf = nova.conf.opts:list_opts
 
 oslo.config.opts.defaults =
-    nova.api = nova.common.config:set_middleware_defaults
+    nova.conf = nova.common.config:set_middleware_defaults
 
 oslo.policy.enforcer =
     nova = nova.policy:get_enforcer