diff --git a/global/overlay/etc/puppet/cosmos-rules.yaml b/global/overlay/etc/puppet/cosmos-rules.yaml
index 2089fb4..f1332a5 100644
--- a/global/overlay/etc/puppet/cosmos-rules.yaml
+++ b/global/overlay/etc/puppet/cosmos-rules.yaml
@@ -55,7 +55,7 @@ monitor-dev.cert.sunet.se:
       - bjorklund@sunet.se
     default_host_group: sunet::nagios::nrpe
     nrpe_group: sunet::nagios::nrpe
-    naemon_extra_volumes:
+    thruk_extra_volumes:
       - '/opt/naemon_monitor/shibboleth2.xml:/etc/shibboleth/shibboleth2.xml:ro'
       - '/opt/naemon_monitor/frontend.xml:/etc/shibboleth/frontend.xml:ro'
       - '/opt/naemon_monitor/attribute-map.xml:/etc/shibboleth/attribute-map.xml:ro'