diff --git a/node_external_ip_controller.py b/node_external_ip_controller.py
index ec48353..325d957 100644
--- a/node_external_ip_controller.py
+++ b/node_external_ip_controller.py
@@ -26,7 +26,7 @@ def update_service_annotation(external_ip):
         print(
             f"service {SERVICE_NAME} has existing ipam IP: {ipam_address}", flush=True
         )
-        target_annotation = ",".join({ipam_address, external_ip})
+        target_annotation = ",".join({external_ip, ipam_address})
     else:
         target_annotation = external_ip
     if current_annotation != target_annotation: