diff --git a/manifests/prometheus/prometheus.yaml b/manifests/prometheus/prometheus.yaml
index faf54c8..90e9245 100644
--- a/manifests/prometheus/prometheus.yaml
+++ b/manifests/prometheus/prometheus.yaml
@@ -29,3 +29,4 @@ spec:
       port: web
   ruleSelector: {}
   ruleNamespaceSelector: {}
+  externalUrl: https://prometheus.beta.entos