diff --git a/pkg/cloudprovider/providers/openstack/openstack.go b/pkg/cloudprovider/providers/openstack/openstack.go
index 7e3e85161ef..1a37396349d 100644
--- a/pkg/cloudprovider/providers/openstack/openstack.go
+++ b/pkg/cloudprovider/providers/openstack/openstack.go
@@ -281,18 +281,12 @@ func newOpenStack(cfg Config) (*OpenStack, error) {
 		return nil, err
 	}
 
-	id, err := readInstanceID()
-	if err != nil {
-		return nil, err
-	}
-
 	os := OpenStack{
-		provider:        provider,
-		region:          cfg.Global.Region,
-		lbOpts:          cfg.LoadBalancer,
-		bsOpts:          cfg.BlockStorage,
-		routeOpts:       cfg.Route,
-		localInstanceID: id,
+		provider:  provider,
+		region:    cfg.Global.Region,
+		lbOpts:    cfg.LoadBalancer,
+		bsOpts:    cfg.BlockStorage,
+		routeOpts: cfg.Route,
 	}
 
 	err = checkOpenStackOpts(&os)
diff --git a/pkg/cloudprovider/providers/openstack/openstack_instances.go b/pkg/cloudprovider/providers/openstack/openstack_instances.go
index 810858acc75..70f29ff7bd0 100644
--- a/pkg/cloudprovider/providers/openstack/openstack_instances.go
+++ b/pkg/cloudprovider/providers/openstack/openstack_instances.go
@@ -143,6 +143,13 @@ func (i *Instances) ExternalID(name types.NodeName) (string, error) {
 
 // InstanceID returns the kubelet's cloud provider ID.
 func (os *OpenStack) InstanceID() (string, error) {
+	if len(os.localInstanceID) == 0 {
+		id, err := readInstanceID()
+		if err != nil {
+			return "", err
+		}
+		os.localInstanceID = id
+	}
 	return os.localInstanceID, nil
 }
 
diff --git a/pkg/cloudprovider/providers/openstack/openstack_test.go b/pkg/cloudprovider/providers/openstack/openstack_test.go
index d0422c172f7..7e8ed5901b3 100644
--- a/pkg/cloudprovider/providers/openstack/openstack_test.go
+++ b/pkg/cloudprovider/providers/openstack/openstack_test.go
@@ -473,7 +473,12 @@ func TestVolumes(t *testing.T) {
 
 	WaitForVolumeStatus(t, os, vol, volumeAvailableStatus)
 
-	diskId, err := os.AttachDisk(os.localInstanceID, vol)
+	id, err := os.InstanceID()
+	if err != nil {
+		t.Fatalf("Cannot find instance id: %v", err)
+	}
+
+	diskId, err := os.AttachDisk(id, vol)
 	if err != nil {
 		t.Fatalf("Cannot AttachDisk Cinder volume %s: %v", vol, err)
 	}
@@ -487,7 +492,7 @@ func TestVolumes(t *testing.T) {
 	}
 	t.Logf("Volume (%s) found at path: %s\n", vol, devicePath)
 
-	err = os.DetachDisk(os.localInstanceID, vol)
+	err = os.DetachDisk(id, vol)
 	if err != nil {
 		t.Fatalf("Cannot DetachDisk Cinder volume %s: %v", vol, err)
 	}