diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index db85cff..4144748 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -52,6 +52,8 @@ monitornetops-sto1-prod-1.sunet.se:
       - '*@sunet.se'
     default_host_group: sunet::nagios::nrpe
     nrpe_group: sunet::nagios::nrpe
+    naemon_extra_volumes:
+      - /etc/naemon/conf.d/netops:/etc/naemon/conf.d/netops:ro
 
 pahol-test1.sunet.se:
    sunet::baas2: