diff --git a/zonemigrate.sh b/zonemigrate.sh
index a0151e2..42bc1a7 100755
--- a/zonemigrate.sh
+++ b/zonemigrate.sh
@@ -13,7 +13,7 @@ do
             UUID=$OPTARG
             ;;
         h)
-            HOSTNAME=$OPTARG
+            SERVER=$OPTARG
             ;;
         *)
             usage
@@ -23,7 +23,7 @@ done
 
 shift $((OPTIND-1))
 
-if [ -z "${UUID}" ] || [ -h "${HOSTNAME}" ]; then
+if [ -z "${UUID}" ] || [ -h "${SERVER}" ]; then
     usage
 fi
 
@@ -56,14 +56,14 @@ snapshot()
     echo "creando snapshot de $1 ..."
     zfs snapshot $1@`date +%Y%m%d`
     check $?
-    echo "enviando snapshot de $1 a $HOSTNAME ..."
-    zfs send $1@`date +%Y%m%d` | $SSH $HOSTNAME zfs receive $1
+    echo "enviando snapshot de $1 a $SERVER ..."
+    zfs send $1@`date +%Y%m%d` | $SSH $SERVER zfs receive $1
     check $?
     echo "creando snapshot incremental de $1 ..."
     zfs snapshot $1@`date +%Y%m%d`.incremental
     check $?
-    echo "enviando snapshot incremental de $1 a $HOSTNAME ..."
-    zfs send -i $1@`date +%Y%m%d` $1@`date +%Y%m%d`.incremental | $SSH $HOSTNAME zfs receive $1
+    echo "enviando snapshot incremental de $1 a $SERVER ..."
+    zfs send -i $1@`date +%Y%m%d` $1@`date +%Y%m%d`.incremental | $SSH $SERVER zfs receive $1
     check $?
 }
 
@@ -97,18 +97,18 @@ fi
 echo "exportamos configuracion..."
 
 zonecfg -z ${UUID} export > $CFG/${UUID}.cfg
-$SCP $CFG/${UUID}.cfg $HOSTNAME:$CFG/${UUID}.cfg
+$SCP $CFG/${UUID}.cfg $SERVER:$CFG/${UUID}.cfg
 
 # destino
 echo "enviamos config a destino..."
 
-$SSH $HOSTNAME zonecfg -z ${UUID} < $CFG/${UUID}.cfg
-$SSH $HOSTNAME zoneadm -z ${UUID} attach
-$SSH $HOSTNAME zoneadm -z ${UUID} halt
+$SSH $SERVER zonecfg -z ${UUID} < $CFG/${UUID}.cfg
+$SSH $SERVER zoneadm -z ${UUID} attach
+$SSH $SERVER zoneadm -z ${UUID} halt
 
 # reestablecemos el alias que usa vmadm
 
-$SSH $HOSTNAME vmadm update ${UUID} alias=${ALIAS}
+$SSH $SERVER vmadm update ${UUID} alias=${ALIAS}
 vmadm update ${UUID} alias=${ALIAS}
 
 # detenemos la zona en local
@@ -117,7 +117,7 @@ zoneadm -z ${UUID} halt
 
 # iniciamos la zona en remoto
 
-$SSH $HOSTNAME zoneadm -z ${UUID} boot
+$SSH $SERVER zoneadm -z ${UUID} boot
 
 # TODO: 
 # - puede haber mas de un FILESYSTEM en la zona, necesitamos iterar por el array y lanzar la funcion snapshot sobre cada uno de ellos