diff --git a/system/monitoring-system/values.yaml b/system/monitoring-system/values.yaml
index 6b3b05d9..ed4a5958 100644
--- a/system/monitoring-system/values.yaml
+++ b/system/monitoring-system/values.yaml
@@ -2,6 +2,7 @@ kube-prometheus-stack:
   grafana:
     ingress:
       enabled: true
+      ingressClassName: nginx
       hosts:
       - grafana.khuedoan.com
       tls: