diff --git a/global/overlay/etc/puppet/manifests/cosmos-site.pp b/global/overlay/etc/puppet/manifests/cosmos-site.pp
index 67714f00..0cfbeb93 100644
--- a/global/overlay/etc/puppet/manifests/cosmos-site.pp
+++ b/global/overlay/etc/puppet/manifests/cosmos-site.pp
@@ -88,7 +88,7 @@ class webserver {
    }
 }
 
-class service_monitor {
+class servicemonitor {
    $nagios_ip_v4 = hiera('nagios_ip_v4')
    ufw::allow { "allow-servicemonitor-from-nagios":
       ip   => $nagios_ip_v4,