diff --git a/clusters/cl01tl/platform/ntfy/values.yaml b/clusters/cl01tl/platform/ntfy/values.yaml
index a92a732cc..e5bd89eb8 100644
--- a/clusters/cl01tl/platform/ntfy/values.yaml
+++ b/clusters/cl01tl/platform/ntfy/values.yaml
@@ -59,7 +59,7 @@ ntfy:
             # - name: NTFY_WEB_PUSH_EMAIL_ADDRESS
             #   value: ""
             - name: NTFY_METRICS_LISTEN_HTTP
-              value: 9090
+              value: :9090
             - name: NTFY_LOG_LEVEL
               value: info
           probes: