diff --git a/roles/nagios_server/files/nagios-external/services/nagios.cfg b/roles/nagios_server/files/nagios-external/services/nagios.cfg
index bd36b2f396..4ff8be5dd0 100644
--- a/roles/nagios_server/files/nagios-external/services/nagios.cfg
+++ b/roles/nagios_server/files/nagios-external/services/nagios.cfg
@@ -1,5 +1,5 @@
 define service {
-  host_name             noc1
+  host_name             noc01
   service_description   Check Nagios
   check_command         check_by_nrpe!check_nagios
   use                   criticaltemplate