diff --git a/bin/qemush b/bin/qemush
index 3b968bf..6333929 100755
--- a/bin/qemush
+++ b/bin/qemush
@@ -1,27 +1,27 @@
 #!/bin/bash
 
 exec_as() {
-  local user="$1"
-  shift
+    local user="$1"
+    shift
 
-  if [ "$(whoami)" != "$user" ]; then
-    exec sudo -u "$user" "$0" "$@"
-  else
-    cd
-  fi
+    if [ "$(whoami)" != "$user" ]; then
+        exec sudo -u "$user" "$0" "$@"
+    else
+        cd
+    fi
 }
 
 exec_as qemu "$@" || exit
 PATH="./bin:${PATH}"
 
 perror() {
-  >&2 printf '\033[1;31mERROR:\033[0m \033[1m%s\033[0m\n' "$*"
+    >&2 printf '\033[1;31mERROR:\033[0m \033[1m%s\033[0m\n' "$*"
 }
 
 public_help() {
-  local name
-  name="$(basename "$0")"
-  cat << EOF
+    local name
+    name="$(basename "$0")"
+    cat << EOF
 ${name}: usage:
   ${name} active                      - (default behaviour) list active VMs
   ${name} start <VM name>             - start a VM
@@ -37,46 +37,46 @@ EOF
 }
 
 error_usage() {
-  perror "Invalid usage"
-  >&2 public_help
-  return 1
+    perror "Invalid usage"
+    >&2 public_help
+    return 1
 }
 
 public_start() {
-  local vm_name="$1"
-  shift
+    local vm_name="$1"
+    shift
 
-  screen -d -m -S "$vm_name" "$vm_name" "$@"
+    screen -d -m -S "$vm_name" "$vm_name" "$@"
 }
 
 public_watch() {
-  screen -dr "$1"
+    screen -dr "$1"
 }
 
 public_active() {
-  screen -ls
+    screen -ls
 }
 
 public_list() {
-  echo "Available machines:"
-  ls --color=auto bin
+    echo "Available machines:"
+    ls --color=auto bin
 }
 
 diskpath() {
-  printf 'images/%s.qcow2' "$1"
+    printf 'images/%s.qcow2' "$1"
 }
 
 public_diskadd() {
-  qemu-img create -f qcow2 "$(diskpath "$1")" "$2"
+    qemu-img create -f qcow2 "$(diskpath "$1")" "$2"
 }
 
 public_diskrm() {
-  rm -vi -- "$(diskpath "$1")"
+    rm -vi -- "$(diskpath "$1")"
 }
 
 public_diskls() {
-  echo "Available disks:"
-  ls --color=auto images
+    echo "Available disks:"
+    ls --color=auto images
 }
 
 public_add() {
@@ -91,7 +91,7 @@ function="$1"
 shift
 
 if declare -F | cut -d \  -f 3- | grep '^public_' | sed 's/^public_//' | grep -q "^${function}$"; then
-  "public_${function}" "$@"
+    "public_${function}" "$@"
 else
-  error_usage
+    error_usage
 fi