diff --git a/argocd/apps/tatort/tatort-dev.yaml b/argocd/apps/tatort/tatort-dev.yaml
index 8b942ff..fc5e82d 100644
--- a/argocd/apps/tatort/tatort-dev.yaml
+++ b/argocd/apps/tatort/tatort-dev.yaml
@@ -16,7 +16,7 @@ spec:
         - name: ingress.className
           value: "traefik"
         - name: ingress.hosts[0]
-          value: "tatort.innovation-hub-niedersachsen.de"
+          value: "tatort-dev.innovation-hub-niedersachsen.de"
         - name: ingress.annotations.kubernetes\.io\/ingress\.class
           value: traefik
         - name: ingress.tls[0].secretName
@@ -29,7 +29,7 @@ spec:
           value: 'true'
           forceString: true
         - name: ingress.tls[0].hosts[0]
-          value: "tatort.innovation-hub-niedersachsen.de"
+          value: "tatort-dev.innovation-hub-niedersachsen.de"
         - name: ingress.annotations.cert-manager\.io\/cluster-issuer
           value: lets-encrypt
     chart: tatort