diff --git a/puppet/zulip_ops/files/nagios3/conf.d/services.cfg b/puppet/zulip_ops/files/nagios3/conf.d/services.cfg
index 71458cf11e..ebb81655fd 100644
--- a/puppet/zulip_ops/files/nagios3/conf.d/services.cfg
+++ b/puppet/zulip_ops/files/nagios3/conf.d/services.cfg
@@ -111,7 +111,7 @@ define service {
 
 define service {
         use                             generic-service
-        host                            zmirror2
+        host                            zmirrorp
         service_description             Check personal zephyr mirrors
         check_command                   check_personal_zephyr_mirrors!22
         contact_groups                  admins
diff --git a/puppet/zulip_ops/templates/nagios3/hosts.cfg.template.erb b/puppet/zulip_ops/templates/nagios3/hosts.cfg.template.erb
index f42816e7a3..af889cd9f5 100644
--- a/puppet/zulip_ops/templates/nagios3/hosts.cfg.template.erb
+++ b/puppet/zulip_ops/templates/nagios3/hosts.cfg.template.erb
@@ -32,9 +32,9 @@ define host{
 
 define host{
        use              generic-host
-       host_name        zmirror2
-       alias            zmirror2
-       address          zmirror2.zulip.net
+       host_name        zmirrorp
+       alias            zmirrorp
+       address          zmirrorp.zulip.net
        hostgroups       all,zmirror
        }