diff --git a/roles/nagios-nrpe/templates/evolix_bsd.cfg.j2 b/roles/nagios-nrpe/templates/evolix_bsd.cfg.j2
index 6273506..4fdfb0b 100644
--- a/roles/nagios-nrpe/templates/evolix_bsd.cfg.j2
+++ b/roles/nagios-nrpe/templates/evolix_bsd.cfg.j2
@@ -38,7 +38,7 @@ command[check_mysql]=/usr/local/libexec/nagios/check_mysql -H 127.0.0.1 -f /etc/
 #command[check_openvpn]=/usr/local/libexec/nagios/plugins/check_openvpn.pl -H 127.0.0.1 -p 1195 -P PASSWORD
 #command[check_openvpn]=/usr/local/libexec/nagios/plugins/check_openvpn # Wrapper of check_openvpn.pl, to use when the server is CARP backup and OpenVPN should not run
 #command[check_carp1]=/usr/local/libexec/nagios/plugins/check_carp_if carp0 master
-command[check_mem]=/usr/local/libexec/nagios/plugins/check_free_mem.sh -w 20 -c 10
+command[check_mem]=/usr/local/libexec/nagios/plugins/check_free_mem.sh -w 20% -c 10%
 #command[check_vpn]=doas /usr/local/libexec/nagios/plugins/check_ipsecctl.sh IPDISTANTE IPLOCALE "VPN MARSEILLE-ROME"
 command[check_pf_states]=doas /usr/local/libexec/nagios/plugins/check_pf_states
 command[check_ospfd]=doas /usr/local/libexec/nagios/plugins/check_ospfd