diff --git a/pkg/controller/vip.go b/pkg/controller/vip.go
index dc4ad47e36d..b72236769ae 100644
--- a/pkg/controller/vip.go
+++ b/pkg/controller/vip.go
@@ -449,6 +449,11 @@ func (c *Controller) createOrUpdateCrdVip(key, ns, subnet, v4ip, v6ip, mac, pV4i
 			vip.Labels[util.SubnetNameLabel] = subnet
 			needUpdateLabel = true
 		}
+		if _, ok := vip.Labels[util.IPReservedLabel]; !ok {
+			op = "add"
+			vip.Labels[util.IPReservedLabel] = ""
+			needUpdateLabel = true
+		}
 		if needUpdateLabel {
 			patchPayloadTemplate := `[{ "op": "%s", "path": "/metadata/labels", "value": %s }]`
 			raw, _ := json.Marshal(vip.Labels)