diff --git a/openstack/client.go b/openstack/client.go
index 5fce3d6..63e07b8 100644
--- a/openstack/client.go
+++ b/openstack/client.go
@@ -68,7 +68,7 @@
 		&utils.Version{ID: v30, Priority: 30, Suffix: "/v3/"},
 	}
 
-	chosen, endpoint, err := utils.ChooseVersion(client.IdentityBase, client.IdentityEndpoint, versions)
+	chosen, endpoint, err := utils.ChooseVersion(client, versions)
 	if err != nil {
 		return err
 	}