diff --git a/kiauh.sh b/kiauh.sh
index ecadc64..4cc2589 100755
--- a/kiauh.sh
+++ b/kiauh.sh
@@ -13,9 +13,9 @@ set -e
 clear
 
 ### sourcing all additional scripts
-SRCDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
-for script in "${SRCDIR}/kiauh/scripts/"*.sh; do . "${script}"; done
-for script in "${SRCDIR}/kiauh/scripts/ui/"*.sh; do . "${script}"; done
+KIAUH_SRCDIR="$(dirname -- "$(readlink -f "${BASH_SOURCE[0]}")")"
+for script in "${KIAUH_SRCDIR}/scripts/"*.sh; do . "${script}"; done
+for script in "${KIAUH_SRCDIR}/scripts/ui/"*.sh; do . "${script}"; done
 
 #===================================================#
 #=================== UPDATE KIAUH ==================#
@@ -23,7 +23,7 @@ for script in "${SRCDIR}/kiauh/scripts/ui/"*.sh; do . "${script}"; done
 
 function update_kiauh(){
   status_msg "Updating KIAUH ..."
-  cd "${SRCDIR}/kiauh"
+  cd "${KIAUH_SRCDIR}"
   git reset --hard && git pull
   ok_msg "Update complete! Please restart KIAUH."
   exit 0
@@ -34,16 +34,16 @@ function update_kiauh(){
 #===================================================#
 
 function kiauh_update_avail(){
-  [ ! -d "${SRCDIR}/kiauh/.git" ] && return
+  [[ ! -d "${KIAUH_SRCDIR}/.git" ]] && return
   local origin head
-  cd "${SRCDIR}/kiauh"
+  cd "${KIAUH_SRCDIR}"
   ### abort if not on master branch
   ! git branch -a | grep -q "\* master" && return
   ### compare commit hash
   git fetch -q
   origin=$(git rev-parse --short=8 origin/master)
   head=$(git rev-parse --short=8 HEAD)
-  if [ "${origin}" != "${head}" ]; then
+  if [[ ${origin} != ${head} ]]; then
     echo "true"
   fi
 }
diff --git a/scripts/fluidd.sh b/scripts/fluidd.sh
index bd9f6b6..f227a63 100644
--- a/scripts/fluidd.sh
+++ b/scripts/fluidd.sh
@@ -333,7 +333,7 @@ function fluidd_port_check(){
         select_fluidd_port
       fi
     else
-      DEFAULT_PORT=$(grep listen "${SRCDIR}/kiauh/resources/klipper_webui_nginx.cfg" | head -1 | sed 's/^\s*//' | cut -d" " -f2 | cut -d";" -f1)
+      DEFAULT_PORT=$(grep listen "${KIAUH_SRCDIR}/resources/klipper_webui_nginx.cfg" | head -1 | sed 's/^\s*//' | cut -d" " -f2 | cut -d";" -f1)
       SET_LISTEN_PORT=${DEFAULT_PORT}
     fi
     SET_NGINX_CFG="true"
diff --git a/scripts/gcode_shell_command.sh b/scripts/gcode_shell_command.sh
index 785cee6..f3e43f1 100644
--- a/scripts/gcode_shell_command.sh
+++ b/scripts/gcode_shell_command.sh
@@ -68,7 +68,7 @@ function setup_gcode_shell_command(){
 function install_gcode_shell_command(){
   do_action_service "stop" "klipper"
   status_msg "Copy 'gcode_shell_command.py' to '${KLIPPER_DIR}/klippy/extras' ..."
-  if cp "${SRCDIR}/kiauh/resources/gcode_shell_command.py" "${KLIPPER_DIR}/klippy/extras"; then
+  if cp "${KIAUH_SRCDIR}/resources/gcode_shell_command.py" "${KLIPPER_DIR}/klippy/extras"; then
     ok_msg "Done!"
   else
     error_msg "Cannot copy file to target destination...Exiting!"
@@ -102,7 +102,7 @@ function create_example_shell_command() {
     path=$(echo "${cfg}" | rev | cut -d"/" -f2- | rev)
     if [ ! -f "${path}/shell_command.cfg" ]; then
       status_msg "Copy shell_command.cfg to ${path} ..."
-      cp "${SRCDIR}/kiauh/resources/shell_command.cfg" "${path}"
+      cp "${KIAUH_SRCDIR}/resources/shell_command.cfg" "${path}"
       ok_msg "${path}/shell_command.cfg created!"
       ### write the include to the very first line of the printer.cfg
       sed -i "1 i [include shell_command.cfg]" "${cfg}"
diff --git a/scripts/globals.sh b/scripts/globals.sh
index f8135ab..29e249c 100644
--- a/scripts/globals.sh
+++ b/scripts/globals.sh
@@ -27,7 +27,7 @@ function set_globals(){
   white=$(echo -en "\e[39m")
   INI_FILE="${HOME}/.kiauh.ini"
   LOGFILE="/tmp/kiauh.log"
-  RESOURCES="${SRCDIR}/kiauh/resources"
+  RESOURCES="${KIAUH_SRCDIR}/resources"
   BACKUP_DIR="${HOME}/kiauh-backups"
 
   #================== KLIPPER ===================#
diff --git a/scripts/klipper.sh b/scripts/klipper.sh
index 7b58c06..f366805 100644
--- a/scripts/klipper.sh
+++ b/scripts/klipper.sh
@@ -250,7 +250,7 @@ function klipper_setup(){
 
 function write_klipper_service(){
   local i=${1} cfg=${2} log=${3} printer=${4} uds=${5} service=${6}
-  local service_template="${SRCDIR}/kiauh/resources/klipper.service"
+  local service_template="${KIAUH_SRCDIR}/resources/klipper.service"
   ### replace all placeholders
   if [ ! -f "${service}" ]; then
     status_msg "Creating Klipper Service ${i} ..."
@@ -264,7 +264,7 @@ function write_klipper_service(){
 
 function write_example_printer_cfg(){
   local cfg_dir=${1} cfg=${2}
-  local cfg_template="${SRCDIR}/kiauh/resources/printer.cfg"
+  local cfg_template="${KIAUH_SRCDIR}/resources/printer.cfg"
 
   ### create a config directory if it doesn't exist
   if ! [[ -d "${cfg_dir}" ]]; then
diff --git a/scripts/mainsail.sh b/scripts/mainsail.sh
index 750b988..f871dce 100644
--- a/scripts/mainsail.sh
+++ b/scripts/mainsail.sh
@@ -449,7 +449,7 @@ function mainsail_port_check(){
         select_mainsail_port
       fi
     else
-      DEFAULT_PORT=$(grep listen "${SRCDIR}/kiauh/resources/klipper_webui_nginx.cfg" | head -1 | sed 's/^\s*//' | cut -d" " -f2 | cut -d";" -f1)
+      DEFAULT_PORT=$(grep listen "${KIAUH_SRCDIR}/resources/klipper_webui_nginx.cfg" | head -1 | sed 's/^\s*//' | cut -d" " -f2 | cut -d";" -f1)
       SET_LISTEN_PORT=${DEFAULT_PORT}
     fi
     SET_NGINX_CFG="true"
diff --git a/scripts/mjpg-streamer.sh b/scripts/mjpg-streamer.sh
index de13a83..4a63e74 100644
--- a/scripts/mjpg-streamer.sh
+++ b/scripts/mjpg-streamer.sh
@@ -19,7 +19,7 @@ function install_mjpg-streamer(){
   local webcamd="https://raw.githubusercontent.com/mainsail-crew/MainsailOS/master/src/modules/mjpgstreamer/filesystem/root/usr/local/bin/webcamd"
   local webcam_txt="https://raw.githubusercontent.com/mainsail-crew/MainsailOS/master/src/modules/mjpgstreamer/filesystem/home/pi/klipper_config/webcam.txt"
   local repo="https://github.com/jacksonliam/mjpg-streamer.git"
-  local service="${SRCDIR}/kiauh/resources/webcamd.service"
+  local service="${KIAUH_SRCDIR}/resources/webcamd.service"
 
   ### return early if webcamd.service already exists
   if [ -f "${SYSTEMD}/webcamd.service" ]; then
diff --git a/scripts/moonraker-telegram-bot.sh b/scripts/moonraker-telegram-bot.sh
index b72e151..62a8397 100644
--- a/scripts/moonraker-telegram-bot.sh
+++ b/scripts/moonraker-telegram-bot.sh
@@ -260,7 +260,7 @@ function create_telegram_bot_service(){
 
 function write_telegram_bot_service(){
   local i=${1} cfg=${2} service=${3}
-  local service_template="${SRCDIR}/kiauh/resources/moonraker-telegram-bot.service"
+  local service_template="${KIAUH_SRCDIR}/resources/moonraker-telegram-bot.service"
 
   ### replace all placeholders
   if ! [[ -f "${service}" ]]; then
diff --git a/scripts/moonraker.sh b/scripts/moonraker.sh
index 91ad11d..fe4d231 100644
--- a/scripts/moonraker.sh
+++ b/scripts/moonraker.sh
@@ -239,7 +239,7 @@ function create_moonraker_conf(){
 
 function write_moonraker_conf(){
   local cfg_dir=${1} cfg=${2} port=${3} log=${4} db=${5} uds=${6} lan=${7}
-  local conf_template="${SRCDIR}/kiauh/resources/moonraker.conf"
+  local conf_template="${KIAUH_SRCDIR}/resources/moonraker.conf"
   [ ! -d "${cfg_dir}" ] && mkdir -p "${cfg_dir}"
 
   if [ ! -f "${cfg}" ]; then
@@ -310,7 +310,7 @@ function create_moonraker_service(){
 
 function write_moonraker_service(){
   local i=${1} cfg_dir=${2} cfg=${3} log=${4} service=${5}
-  local service_template="${SRCDIR}/kiauh/resources/moonraker.service"
+  local service_template="${KIAUH_SRCDIR}/resources/moonraker.service"
 
   ### replace all placeholders
   if [ ! -f "${service}" ]; then
diff --git a/scripts/switch_klipper_repo.sh b/scripts/switch_klipper_repo.sh
index 52a22a6..765a5ab 100644
--- a/scripts/switch_klipper_repo.sh
+++ b/scripts/switch_klipper_repo.sh
@@ -12,11 +12,11 @@
 set -e
 
 function change_klipper_repo_menu(){
-  local repo_file="${SRCDIR}/kiauh/klipper_repos.txt"
+  local repo_file="${KIAUH_SRCDIR}/klipper_repos.txt"
   local repo branch repos=() branches=()
 
   if [[ ! -f ${repo_file} ]]; then
-    print_error "File not found:\n '${SRCDIR}/kiauh/klipper_repos.txt'"
+    print_error "File not found:\n '${KIAUH_SRCDIR}/klipper_repos.txt'"
     return
   fi
 
diff --git a/scripts/ui/main_menu.sh b/scripts/ui/main_menu.sh
index a316e46..ce56174 100755
--- a/scripts/ui/main_menu.sh
+++ b/scripts/ui/main_menu.sh
@@ -31,7 +31,7 @@ function main_ui(){
 
 function get_kiauh_version(){
   local version
-  cd "${SRCDIR}/kiauh"
+  cd "${KIAUH_SRCDIR}"
   version="$(git describe HEAD --always --tags | cut -d "-" -f 1,2)"
   echo "${version}"
 }