diff --git a/apps-kustomized/cert-manager-webhook-dnsimple/kustomization.yaml b/apps-kustomized/cert-manager-webhook-dnsimple/kustomization.yaml
index d1e8360..e9b0712 100644
--- a/apps-kustomized/cert-manager-webhook-dnsimple/kustomization.yaml
+++ b/apps-kustomized/cert-manager-webhook-dnsimple/kustomization.yaml
@@ -42,6 +42,12 @@ patches:
     kind: Certificate|Issuer
     name: .*
     version: v1alpha2
+- patch: |-
+    - op: replace
+      path: /spec/service/namespace
+      value: 'cert-manager'
+  target:
+    name: 'v1alpha1.acme.neoskop.de'
 - patch: |-
     - op: replace
       path: /metadata/namespace