diff --git a/otc/infra-test.t09.de/stacks/observability/grafana-operator/manifests/grafana.yaml b/otc/infra-test.t09.de/stacks/observability/grafana-operator/manifests/grafana.yaml
index bad0131..8bdfb7e 100644
--- a/otc/infra-test.t09.de/stacks/observability/grafana-operator/manifests/grafana.yaml
+++ b/otc/infra-test.t09.de/stacks/observability/grafana-operator/manifests/grafana.yaml
@@ -20,7 +20,7 @@ spec:
     spec:
       ingressClassName: nginx
       rules:
-      - host: o12y.infra-test.t09.de
+      - host: grafana.infra-test.t09.de
         http:
           paths:
           - backend:
@@ -32,5 +32,5 @@ spec:
             pathType: Prefix
       tls:
       - hosts:
-        - o12y.infra-test.t09.de
+        - grafana.infra-test.t09.de
         secretName: grafana-net-tls