diff --git a/vm/truenas-vm.sh b/vm/truenas-vm.sh
index d7dcf6763..295dc6954 100644
--- a/vm/truenas-vm.sh
+++ b/vm/truenas-vm.sh
@@ -308,7 +308,7 @@ function advanced_settings() {
     exit-script
   fi
 
-  if DISK_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Disk Size in GiB (e.g., 10, 20)" 8 58 16 "$DISK_SIZE" --title "DISK SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
+  if DISK_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Disk Size in GiB (e.g., 10, 20)" 8 58 "$DISK_SIZE" --title "DISK SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
     DISK_SIZE=$(echo "$DISK_SIZE" | tr -d ' ')
     if [[ "$DISK_SIZE" =~ ^[0-9]+$ ]]; then
       echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}$DISK_SIZE${CL}"