diff --git a/dump_mysql.sh b/dump_mysql.sh
index fc9bf6f..41b8f8a 100755
--- a/dump_mysql.sh
+++ b/dump_mysql.sh
@@ -2,7 +2,7 @@
 
 BACKUPDIR=/home/mysql_backup
 LOGFILE=${BACKUPDIR}/my_dump_mysql.log
-SENDNSCA=/usr/local/sbin/send_nsca\ -H\ 192.168.X.X\ -d\ ';;'\ -c\ /usr/local/etc/nagios/send_nsca.cfg
+SENDNSCA=/usr/local/sbin/send_nsca\ -H\ <nagios_host>\ -d\ ';;'\ -c\ /usr/local/etc/nagios/send_nsca.cfg
 HOSTNAME=`/bin/hostname -f | /usr/bin/cut -d '.' -f 1,2`
 backup_success=1
 
diff --git a/zfsync.sh b/zfsync.sh
index 7f11021..2a7acd8 100755
--- a/zfsync.sh
+++ b/zfsync.sh
@@ -11,7 +11,7 @@
 bro="small"
 pools="ftp mail web"
 
-SENDNSCA=/usr/local/sbin/send_nsca\ -H\ 192.168.3.3\ -d\ ';;'\ -c\ /usr/local/etc/nagios/send_nsca.cfg
+SENDNSCA=/usr/local/sbin/send_nsca\ -H\ <nagios_host>\ -d\ ';;'\ -c\ /usr/local/etc/nagios/send_nsca.cfg
 HOSTNAME=`/bin/hostname -f | /usr/bin/cut -d '.' -f 1,1`
 SERVICENAME=zfsync
 LOGFILE=/tmp/zfsync.log