diff --git a/pkg/util/openstack/openstack.go b/pkg/util/openstack/openstack.go
index 7ff9dcc4d8..c69a382684 100644
--- a/pkg/util/openstack/openstack.go
+++ b/pkg/util/openstack/openstack.go
@@ -68,6 +68,10 @@ func NewOpenStackClient(providerID string, providerName string, authURL string,
 	return cli, cli.fetchRegions()
 }
 
+func (cli *SOpenStackClient) GetCloudRegionExternalIdPrefix() string {
+	return fmt.Sprintf("%s/%s/", CLOUD_PROVIDER_OPENSTACK, cli.providerID)
+}
+
 func (cli *SOpenStackClient) GetSubAccounts() ([]cloudprovider.SSubAccount, error) {
 	subAccount := cloudprovider.SSubAccount{
 		Account: fmt.Sprintf("%s/%s", cli.project, cli.username),
diff --git a/pkg/util/openstack/provider/provider.go b/pkg/util/openstack/provider/provider.go
index 3527b4881f..151a7b1d84 100644
--- a/pkg/util/openstack/provider/provider.go
+++ b/pkg/util/openstack/provider/provider.go
@@ -180,6 +180,10 @@ func (self *SOpenStackProvider) GetBalance() (float64, string, error) {
 	return 0.0, api.CLOUD_PROVIDER_HEALTH_UNKNOWN, cloudprovider.ErrNotSupported
 }
 
+func (self *SOpenStackProvider) GetCloudRegionExternalIdPrefix() string {
+	return self.client.GetCloudRegionExternalIdPrefix()
+}
+
 func (self *SOpenStackProvider) GetIProjects() ([]cloudprovider.ICloudProject, error) {
 	return self.client.GetIProjects()
 }
diff --git a/pkg/util/openstack/region.go b/pkg/util/openstack/region.go
index 1c92b1edea..2ae8a984e5 100644
--- a/pkg/util/openstack/region.go
+++ b/pkg/util/openstack/region.go
@@ -55,7 +55,7 @@ func (region *SRegion) GetName() string {
 }
 
 func (region *SRegion) GetGlobalId() string {
-	return fmt.Sprintf("%s/%s/%s", CLOUD_PROVIDER_OPENSTACK, region.Name, region.client.providerID)
+	return fmt.Sprintf("%s/%s/%s", CLOUD_PROVIDER_OPENSTACK, region.client.providerID, region.Name)
 }
 
 func (region *SRegion) IsEmulated() bool {