diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index cffd808..22ab842 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -1,3 +1,3 @@
 # Note that the matching is done with re.match()
 '^ns[0-9]?.mnt.se$':
-   nameserver:
+   nameserver: