diff --git a/manifests/raw-resources-mail-services/stalwart-loadbalancer-service.yaml b/manifests/raw-resources-mail-services/stalwart-loadbalancer-service.yaml
index 082b47d..b54936e 100644
--- a/manifests/raw-resources-mail-services/stalwart-loadbalancer-service.yaml
+++ b/manifests/raw-resources-mail-services/stalwart-loadbalancer-service.yaml
@@ -14,7 +14,8 @@ metadata:
 spec:
   type: LoadBalancer
   selector:
-    app: stalwart
+    app.kubernetes.io/instance: stalwart
+    app.kubernetes.io/name: stalwart
   ports:
     # SMTP - Receiving mail from other servers
     - name: smtp