Use general (Provider|Service)Client structs.
diff --git a/openstack/identity/v3/services/requests.go b/openstack/identity/v3/services/requests.go
index a752d57..e9384e1 100644
--- a/openstack/identity/v3/services/requests.go
+++ b/openstack/identity/v3/services/requests.go
@@ -19,7 +19,7 @@
var resp response
_, err := perigee.Request("POST", getListURL(client), perigee.Options{
- MoreHeaders: client.AuthenticatedHeaders(),
+ MoreHeaders: client.Provider.AuthenticatedHeaders(),
ReqBody: &req,
Results: &resp,
OkCodes: []int{201},