diff --git a/ingress-external-devices/docker-repo.yaml b/ingress-external-devices/docker-repo.yaml
index 56bc64f..58b6d04 100644
--- a/ingress-external-devices/docker-repo.yaml
+++ b/ingress-external-devices/docker-repo.yaml
@@ -30,6 +30,7 @@ metadata:
     kubernetes.io/ingress.class: nginx
     cert-manager.io/cluster-issuer: letsencrypt
     nginx.ingress.kubernetes.io/backend-protocol: "HTTP"
+    nginx.ingress.kubernetes.io/service-upstream: "true"
     nginx.ingress.kubernetes.io/proxy-body-size: "0"
     nginx.ingress.kubernetes.io/proxy-connect-timeout: "60"
     nginx.ingress.kubernetes.io/proxy-read-timeout: "600"