diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index 6ddf37bc..b1c5217e 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -1249,6 +1249,7 @@ monitoreidas-prod-sto1-1.komreg.net:
    sunet::certbot::acmed:
    sunet::naemon_monitor:
       domain: monitor-eidas.komreg.net
+      acme_protocol: acme-d
       naemon_tag: latest
       thruk_tag: latest
       histou_tag: latest