diff --git a/files/initrd/opt/arc/arc.sh b/files/initrd/opt/arc/arc.sh
index 3cc4d54d..e6eb7362 100755
--- a/files/initrd/opt/arc/arc.sh
+++ b/files/initrd/opt/arc/arc.sh
@@ -92,7 +92,7 @@ function backtitle() {
   BACKTITLE+="Patch: ${ARCPATCH} | "
   BACKTITLE+="Config: ${CONFDONE} | "
   BACKTITLE+="Build: ${BUILDDONE} | "
-  BACKTITLE+="${MACHINE}(${BUS^^})"
+  BACKTITLE+="${MACHINE}(${BUS})"
   echo "${BACKTITLE}"
 }
 
@@ -359,7 +359,7 @@ function arcsettings() {
   fi
   # Check for more then 8 Ethernet Ports
   DEVICENIC="$(readConfigKey "device.nic" "${USER_CONFIG_FILE}")"
-  if [ "${DEVICENIC}" -gt 8 ]; then
+  if [ ${DEVICENIC} -gt 8 ]; then
     dialog --backtitle "$(backtitle)" --title "Arc Warning" \
       --msgbox "WARN: You have more then 8 Ethernet Ports.\nThere are only 8 supported by DSM." 0 0
   fi
@@ -371,7 +371,7 @@ function arcsettings() {
   # Check for NVMe only
   HARDDRIVES="$(readConfigKey "device.harddrives" "${USER_CONFIG_FILE}")"
   NVMEDRIVES="$(readConfigKey "device.nvmedrives" "${USER_CONFIG_FILE}")"
-  if [ "${BUS^^}" = "SATA" ] && [ $((${HARDDRIVES} - ${NVMEDRIVES})) -eq 1 ] && [ ! "${MODEL}" = "SA6400" ]; then
+  if [ "${BUS}" = "SATA" ] && [ $((${HARDDRIVES} - ${NVMEDRIVES})) -eq 1 ] && [ ! "${MODEL}" = "SA6400" ]; then
     dialog --backtitle "$(backtitle)" --title "Arc Warning" \
       --msgbox "WARN: You have only NVMe Drives.\nDSM will not boot without a SATA Drive.\nYou can use SA6400 and NVMeSystem Addon." 0 0
   elif [ $((${HARDDRIVES} - ${NVMEDRIVES})) -eq 0 ] && [ ! "${MODEL}" = "SA6400" ]; then