diff --git a/app-of-apps/headscale.yaml b/app-of-apps/headscale.yaml
index b4d9848..c50d4f7 100644
--- a/app-of-apps/headscale.yaml
+++ b/app-of-apps/headscale.yaml
@@ -18,6 +18,8 @@ spec:
           value: headscale.martyn.berlin
         - name: certmanager.enabled
           value: 'false'
+        - name: headscale.certmanager.enabled
+          value: 'false'
         - name: certmanager.issuerRef.name
           value: 'dnsimple-cert-manager-webhook-cert-manager-webhook-dnsimple-production'
         - name: headscale.certmanager.issuerRef.name