diff --git a/puppet/zulip_ops/files/nagios4/commands.cfg b/puppet/zulip_ops/files/nagios4/commands.cfg
index 060a023bf9..7506ea8f65 100644
--- a/puppet/zulip_ops/files/nagios4/commands.cfg
+++ b/puppet/zulip_ops/files/nagios4/commands.cfg
@@ -82,7 +82,7 @@ define command{
 
 define command{
         command_name    check_ntp_time
-        command_line    /usr/lib/nagios/plugins/check_by_ssh -p $ARG1$ -l nagios -t 30 -i /var/lib/nagios/.ssh/id_ed25519 -H $HOSTADDRESS$ -C '/usr/lib/nagios/plugins/check_ntp_time -H 0.debian.pool.ntp.org -w .5 -c 1'
+        command_line    /usr/lib/nagios/plugins/check_by_ssh -p $ARG1$ -l nagios -t 30 -i /var/lib/nagios/.ssh/id_ed25519 -H $HOSTADDRESS$ -C '/usr/lib/nagios/plugins/check_ntp_time -H 169.254.169.123 -w .5 -c 1'
 }
 
 define command{