diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index b8e59ff..360aac6 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -58,6 +58,7 @@ internal-sto3-test-db-3.geteduroam.sunet.se:
 
 internal-sto1-test-backup-1.geteduroam.sunet.se:
    sunet::dockerhost2:
+   sunet::mariadb::backup:
 
 internal-sto1-test-app-1.geteduroam.sunet.se:
   sunet::fleetlock_client: