diff --git a/argocd/apps/tatort/tatort.yaml b/argocd/apps/tatort/tatort.yaml
index a2951ca..41a8540 100644
--- a/argocd/apps/tatort/tatort.yaml
+++ b/argocd/apps/tatort/tatort.yaml
@@ -31,6 +31,8 @@ spec:
           forceString: true
         - name: ingress.annotations.cert-manager\.io\/cluster-issuer
           value: lets-encrypt-staging
+        - name: service.port
+          value: 4137
     chart: tatort
   destination:
     server: 'https://kubernetes.default.svc'