diff --git a/global/overlay/etc/puppet/modules/cdn/manifests/mqtt.pp b/global/overlay/etc/puppet/modules/cdn/manifests/mqtt.pp
index 8e7498f..cc5f6c4 100644
--- a/global/overlay/etc/puppet/modules/cdn/manifests/mqtt.pp
+++ b/global/overlay/etc/puppet/modules/cdn/manifests/mqtt.pp
@@ -1,6 +1,7 @@
 # Configure a SUNET CDN mqtt server
 class cdn::mqtt(
   String $dc = '',
+  Array[String] $clients = [],
   Array[String] $mqtt_client_ips = [],
   Hash[String, Hash] $bridges = {},
   Hash[String, String] $acme_url = {