diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index fcbe492..da90765 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -19,7 +19,7 @@ dns-rest-api1.sunet.se:
    dns:
    dns::knotdns:
    dns::apache2:
-     dnsapiport = '8443'
+     dnsapiport: '8443'
    sunet::certbot::acmed:
    sunet::baas2:
      nodename: 7B9DBFE1F4D1