diff --git a/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp b/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp
index f5a6a30..d4da2b8 100644
--- a/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp
+++ b/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp
@@ -138,7 +138,7 @@ class cdn::cache(
   $environment = $dash_split[2]
 
   # Get client cert for connecting to MQTT bus
-  exec { "certbot certonly -n --email patlu@sunet.se --no-eff-email --agree-tos --standalone -d ${my_fqdn} --server ${acme_url[$environment]}":
+  exec { "certbot certonly -n --email patlu@sunet.se --no-eff-email --agree-tos --standalone -d ${my_fqdn} --server ${acme_url[$environment]} --http-01-address ${facts['networking']['ip']}":
     creates => "/etc/letsencrypt/live/${my_fqdn}/fullchain.pem"
   }