diff --git a/nrpe/etc/nagios/nrpe.d/system.cfg b/nrpe/etc/nagios/nrpe.d/system.cfg
index dad9100..6ab08c8 100644
--- a/nrpe/etc/nagios/nrpe.d/system.cfg
+++ b/nrpe/etc/nagios/nrpe.d/system.cfg
@@ -33,7 +33,7 @@
 
 command[check_proc_docker]=/usr/lib/nagios/plugins/check_procs -c 1:1 -C dockerd
 command[check_disk]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /
-command[check_disk_docker]=sudo /usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /var/lib/docker/volumes
+command[check_disk_docker]=sudo /usr/lib/nagios/plugins/check_disk -w 15% -c 10% -p /var/lib/docker/volumes
 command[check_load]=/usr/lib/nagios/plugins/check_load -w 15,10,5 -c 30,25,20
 command[check_procs]=/usr/lib/nagios/plugins/check_procs -w 275 -c 350
 command[check_zombie_procs]=/usr/lib/nagios/plugins/check_procs -w 1 -c 10 -s Z