diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index 686d9f50..a694df04 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -39,7 +39,7 @@ p1.komreg.net:
             - 'se-tug-lb-1.sunet.se'
          port: '443'
 
-'^md[0-9]\.komreg\.net$':
+'^md[\-0-9].+\.komreg\.net$':
    sunet_iaas_cloud:
    autoupdate:
    openstack_ubuntu_16_04_dockerhost: