diff --git a/clusters/k8s01/monitoring/kustomization.yaml b/clusters/k8s01/monitoring/kustomization.yaml
index 011aa5ca82d30d250207496367e5ddd74b6658ab..afd4a10955c2e2a7631130ccfd8d5fb2f77ac86b 100644
--- a/clusters/k8s01/monitoring/kustomization.yaml
+++ b/clusters/k8s01/monitoring/kustomization.yaml
@@ -1,5 +1,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
+namespace: monitoring-system
 resources:
 - certificate.yaml
 - ../../../shared/applications/oauth2-proxy.yaml