diff --git a/bin/vhost-del.sh b/bin/vhost-del.sh
index a8d77ce..cdb32f1 100755
--- a/bin/vhost-del.sh
+++ b/bin/vhost-del.sh
@@ -54,13 +54,13 @@ if [[ -f /etc/varnish/sites.d/$domain.vcl ]]; then
 fi
 
 # if virtualhost is mounted in a jail, unmount it
-if grep -q "^/dev/sda /usr/jails/$username/srv/www/$domain " /etc/mtab; then
+if grep -q " /usr/jails/$username/srv/www/$domain " /etc/mtab; then
   umount /usr/jails/$username/srv/www/$domain
 fi
 
 # if virtualhost mount in fstab.jails exists remove it
-if grep -q "/usr/jails/$username/srv/www/$domain" /etc/fstab.jails; then
-  sed -i "\|/usr/jails/$username/srv/www/$domain|d" /etc/fstab.jails
+if grep -q " /usr/jails/$username/srv/www/$domain " /etc/fstab.jails; then
+  sed -i "\| /usr/jails/$username/srv/www/$domain |d" /etc/fstab.jails
 fi
 
 # if virtualhost symlink exists in jail remove it
diff --git a/bin/vhost-user-del.sh b/bin/vhost-user-del.sh
index a134ffe..2c277ac 100755
--- a/bin/vhost-user-del.sh
+++ b/bin/vhost-user-del.sh
@@ -42,7 +42,7 @@ do
 done
 
 # check for jailed vhost mount
-if /bin/grep -q "^/dev/sda /usr/jails/$username/srv/www/" /etc/mtab; then
+if /bin/grep -q " /usr/jails/$username/srv/www/" /etc/mtab; then
   echo user \"$username\" has one or more jailed vhosts mounted
   exit 1
 fi
@@ -70,7 +70,7 @@ if [[ -f "/etc/php/$phpVersion/fpm/pool.d/$username.conf" ]]; then
 fi
 
 # if users home dir is mounted in a jail, unmount it
-if grep -q "^/dev/sda /usr/jails/$username/home/$username " /etc/mtab; then
+if grep -q " /usr/jails/$username/home/$username " /etc/mtab; then
   umount /usr/jails/$username/home/$username
 fi