diff --git a/openstack/rds/v3/instances/requests.go b/openstack/rds/v3/instances/requests.go
index 97949f7e8..ca6cc025d 100644
--- a/openstack/rds/v3/instances/requests.go
+++ b/openstack/rds/v3/instances/requests.go
@@ -26,6 +26,7 @@ type CreateRdsOpts struct {
 	SecurityGroupId     string          `json:"security_group_id" required:"true"`
 	ChargeInfo          *ChargeInfo     `json:"charge_info,omitempty"`
 	TimeZone            string          `json:"time_zone,omitempty"`
+	FixedIp             string          `json:"data_vip,omitempty"`
 }
 
 type CreateReplicaOpts struct {
@@ -188,7 +189,7 @@ func (opts RenameRdsInstanceOpts) ToRenameRdsInstanceMap() (map[string]interface
 	return b, nil
 }
 
-func Rename(client *golangsdk.ServiceClient, opts RenameRdsInstanceBuilder, instanceId string) (r golangsdk.Result) {
+func Rename(client *golangsdk.ServiceClient, opts RenameRdsInstanceBuilder, instanceId string) (r RenameResult) {
 	b, err := opts.ToRenameRdsInstanceMap()
 	if err != nil {
 		r.Err = err
diff --git a/openstack/rds/v3/instances/results.go b/openstack/rds/v3/instances/results.go
index 34f51ab11..1159dda18 100644
--- a/openstack/rds/v3/instances/results.go
+++ b/openstack/rds/v3/instances/results.go
@@ -26,6 +26,10 @@ type ResizeFlavorResult struct {
 	commonResult
 }
 
+type RenameResult struct {
+	commonResult
+}
+
 type Instance struct {
 	Id                  string         `json:"id"`
 	Name                string         `json:"name"`