diff --git a/install.sh b/install.sh
index c184455..a36e18d 100755
--- a/install.sh
+++ b/install.sh
@@ -7,7 +7,7 @@ if [[ ${PIPESTATUS[0]} -ne 4 ]]; then
     exit 1
 fi
 
-OPTIONS=dtlhush
+OPTIONS=dtlhus
 LONGOPTS=device,timezone,locale,hostname,username,sudogrp,help
 
 ! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@")
@@ -16,49 +16,49 @@ if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
 fi
 eval set -- "$PARSED"
 
-device="CHANGEME" # Device that shoud be partitioned e.g. "/dev/sda"
-timezone="CHANGEME" # Your timezone according to /usr/share/zoneinfo/ e.g. "/usr/share/zoneinfo/EUROPE/Berlin"
-locale="CHANGEME" # Your locale according to /etc/locale.gen e.g. "en_US.UTF-8 UTF-8"
-hostname="CHANGEME" # Name for your machine e.g. "ArchLinux"
-username="CHANGEME" # Your username e.g. "foo"
-sudogrp="CHANGEME" # Name of the sudogrp
+d="CHANGEME" # Device that shoud be partitioned e.g. "/dev/sda"
+t="CHANGEME" # Your timezone according to /usr/share/zoneinfo/ e.g. "/usr/share/zoneinfo/Europ/Berlin"
+l="CHANGEME" # Your locale according to /etc/locale.gen e.g. "en_US.UTF-8 UTF-8"
+h="CHANGEME" # Name for your machine e.g. "ArchLinux"
+u="CHANGEME" # Your username e.g. "foo"
+s="CHANGEME" # Name of the sudogrp
 
 CWD="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 
 while true; do
     case "$1" in
         -d|--device)
-            device="$2"
+            d="$2"
             shift 2
             ;;
         -t|--timezone)
-            timezone="$2"
+            t="$2"
             shift 2
             ;;
         -l|--locale)
-            locale="$2"
+            l="$2"
             shift 2
             ;;
         -h|--hostname)
-            hostname="$2"
+            h="$2"
             shift 2
             ;;
         -u|--username)
-            username="$2"
+            u="$2"
             shift 2
             ;;
         -s|--sudogrp)
-            sudogrp="$2"
+            s="$2"
             shift 2
             ;;
-        -h|--help)
+        --help)
             echo "
 Usage: ./install.sh -d [DEVICE] -t [/usr/share/zoneinfo/REGION/CITY] -l [LOCALE] -h [HOSTNAME] -u [USER] -s [SUDO]
 A small script to automate my archlinux configuration.
-$
+
 Mandatory arguments:
 -d | --device       Device that shoud be partitioned e.g. "/dev/sda"
--t | --timezone     Your timezone according to /usr/share/zoneinfo/ e.g. "/usr/share/zoneinfo/EUROPE/Berlin"
+-t | --timezone     Your timezone according to /usr/share/zoneinfo/ e.g. "/usr/share/zoneinfo/Europe/Berlin"
 -l | --locale       Your locale according to /etc/locale.gen e.g. "en_US.UTF-8 UTF-8"
 -h | --hostname     Name for your machine e.g. "ArchLinux"
 -u | --username     Your username e.g. "foo"
@@ -77,16 +77,16 @@ Mandatory arguments:
 # partition 1: 1MiB -> 500MiB FAT32
 # partition 2: 500MiB -> 3GiB swap
 # partition 3: 3GiB -> ..     ext4
-parted $device mklabel gpt mkpart primary fat32 1MiB 512 mkpart primary linux-swap 500MiB 3GiB mkpart primary ext4 3GiB 100% set 1 esp on -s
+parted $d mklabel gpt mkpart primary fat32 1MiB 512 mkpart primary linux-swap 500MiB 3GiB mkpart primary ext4 3GiB 100% set 1 esp on -s
 
-if [ -b "$device\p1" ]; then
-    bootpart=$device\p1
-    swappart=$device\p2
-    rootpart=$device\p3
+if [ -b "$d\p1" ]; then
+    bootpart=$d\p1
+    swappart=$d\p2
+    rootpart=$d\p3
 else
-    bootpart=$device\1
-    swappart=$device\2
-    rootpart=$device\3
+    bootpart=$d\1
+    swappart=$d\2
+    rootpart=$d\3
 fi
 
 mkfs.vfat $bootpart
@@ -116,8 +116,8 @@ cp $CWD/root/march-reboot.sh /mnt/root/arch-reboot.sh
 chmod +x /mnt/root/arch-chroot.sh
 chmod +x /mnt/root/arch-reboot.sh
 
-arch-chroot /mnt /root/march-chroot.sh -t $timezone -l $locale -h $hostname -u $username -s $sudogrp
-sed -i "s/arch-reboot.sh/\0 -u $username -s $sudogrp/" /mnt/etc/systemd/system/march.service
+arch-chroot /mnt /root/march-chroot.sh -t $t-l $l-h $h-u $u-s $s
+sed -i "s/arch-reboot.sh/\0 -u $u-s $s/" /mnt/etc/systemd/system/march.service
 
 umount $bootpart
 swapoff $swappart