diff --git a/k8s-peterg/argocd/applications-peterg.yaml b/k8s-peterg/argocd/applications-peterg.yaml
index 5a92b59..fae3195 100644
--- a/k8s-peterg/argocd/applications-peterg.yaml
+++ b/k8s-peterg/argocd/applications-peterg.yaml
@@ -94,7 +94,7 @@ spec:
       releaseName: metrics-server
       values: |
         args:
-          kubelet-insecure-tls: true
+          kubelet-insecure-tls: "true"
           kubelet-preferred-address-types: InternalIP
   destination:
     server: https://kubernetes.default.svc