diff --git a/node_external_ip_controller_async.py b/node_external_ip_controller_async.py
index c5833fe..01dc675 100644
--- a/node_external_ip_controller_async.py
+++ b/node_external_ip_controller_async.py
@@ -25,7 +25,9 @@ async def update_service_annotation(v1, service, external_ips):
         service_obj = await v1.read_namespaced_service(service_name, namespace)
 
         current_annotation = service_obj.metadata.annotations.get(ANNOTATION_KEY)
-        target_annotation = ",".join(external_ips) + "," + ZERO_GATEWAY_IP
+        zlan_gateway_ip = service_obj.metadata.labels.get(SERVICE_LABEL_KEY)
+        logger.debug(f"Zlan Gateway IP: {zlan_gateway_ip}")
+        target_annotation = ",".join(external_ips) + "," + zlan_gateway_ip
         logger.debug(f"Current annotation: {current_annotation}")
         logger.debug(f"Target annotation: {target_annotation}")
         if current_annotation != target_annotation: