diff --git a/deploy/cert-manager-webhook-hetzner/templates/deployment.yaml b/deploy/cert-manager-webhook-hetzner/templates/deployment.yaml
index 5dd6e18..b31788a 100644
--- a/deploy/cert-manager-webhook-hetzner/templates/deployment.yaml
+++ b/deploy/cert-manager-webhook-hetzner/templates/deployment.yaml
@@ -27,12 +27,13 @@ spec:
           args:
             - --tls-cert-file=/tls/tls.crt
             - --tls-private-key-file=/tls/tls.key
+            - --secure-port=8443
           env:
             - name: GROUP_NAME
               value: {{ .Values.groupName | quote }}
           ports:
             - name: https
-              containerPort: 443
+              containerPort: 8443
               protocol: TCP
           livenessProbe:
             httpGet:
diff --git a/deploy/cert-manager-webhook-hetzner/templates/service.yaml b/deploy/cert-manager-webhook-hetzner/templates/service.yaml
index cbd5fe6..d6c563b 100644
--- a/deploy/cert-manager-webhook-hetzner/templates/service.yaml
+++ b/deploy/cert-manager-webhook-hetzner/templates/service.yaml
@@ -12,7 +12,7 @@ spec:
   type: {{ .Values.service.type }}
   ports:
     - port: {{ .Values.service.port }}
-      targetPort: https
+      targetPort: 8443
       protocol: TCP
       name: https
   selector:
diff --git a/deploy/cert-manager-webhook-hetzner/values.yaml b/deploy/cert-manager-webhook-hetzner/values.yaml
index 8bfe300..a30117f 100644
--- a/deploy/cert-manager-webhook-hetzner/values.yaml
+++ b/deploy/cert-manager-webhook-hetzner/values.yaml
@@ -9,7 +9,7 @@
 groupName: dns.hetzner.cloud
 
 certManager:
-  namespace: kube-system
+  namespace: cert-manager
   serviceAccountName: cert-manager
 
 image: