diff --git a/misc/build.func b/misc/build.func
index e56e56b..4c11e09 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -558,51 +558,41 @@ advanced_settings() {
   TAGS="community-script-dev;${var_tags:-}"
   CT_DEFAULT_TYPE="${CT_TYPE}"
   CT_TYPE=""
-
-  TMP_OUTPUT_FILE=$(mktemp)
-  trap 'rm -f "$TMP_OUTPUT_FILE"' EXIT
-
   while [ -z "$CT_TYPE" ]; do
-    TITLE="CONTAINER TYPE"
-    BACKTITLE="[dev] Proxmox VE Helper Scripts"
-    HEIGHT=10
-    WIDTH=58
-    MENU_HEIGHT=2
-
     if [ "$CT_DEFAULT_TYPE" == "1" ]; then
-      DEFAULT_ON="ON"
-      DEFAULT_OFF="OFF"
-    else
-      DEFAULT_ON="OFF"
-      DEFAULT_OFF="ON"
+      if CT_TYPE=$(whiptail --backtitle "[dev] Proxmox VE Helper Scripts" --title "CONTAINER TYPE" --radiolist "Choose Type" 10 58 2 \
+        "1" "Unprivileged" ON \
+        "0" "Privileged" OFF \
+        3>&1 1>&2 2>&3); then
+        if [ -n "$CT_TYPE" ]; then
+          CT_TYPE_DESC="Unprivileged"
+          if [ "$CT_TYPE" -eq 0 ]; then
+            CT_TYPE_DESC="Privileged"
+          fi
+          echo -e "${OS}${BOLD}${DGN}Operating System: ${BGN}$var_os${CL}"
+          echo -e "${OSVERSION}${BOLD}${DGN}Version: ${BGN}$var_version${CL}"
+          echo -e "${CONTAINERTYPE}${BOLD}${DGN}Container Type: ${BGN}$CT_TYPE_DESC${CL}"
+        fi
+      else
+        exit_script
+      fi
     fi
-
-    whiptail --backtitle "$BACKTITLE" --title "$TITLE" \
-      --radiolist "Choose Type" $HEIGHT $WIDTH $MENU_HEIGHT \
-      "1" "Unprivileged" $DEFAULT_ON \
-      "0" "Privileged" $DEFAULT_OFF \
-      3>&1 1>"$TMP_OUTPUT_FILE" 2>&3
-
-    RET=$?
-
-    if [ $RET -ne 0 ]; then
-      exit_script
+    if [ "$CT_DEFAULT_TYPE" == "0" ]; then
+      if CT_TYPE=$(whiptail --backtitle "[dev] Proxmox VE Helper Scripts" --title "CONTAINER TYPE" --radiolist "Choose Type" 10 58 2 \
+        "1" "Unprivileged" OFF \
+        "0" "Privileged" ON \
+        3>&1 1>&2 2>&3); then
+        if [ -n "$CT_TYPE" ]; then
+          CT_TYPE_DESC="Unprivileged"
+          if [ "$CT_TYPE" -eq 0 ]; then
+            CT_TYPE_DESC="Privileged"
+          fi
+          echo -e "${CONTAINERTYPE}${BOLD}${DGN}Container Type: ${BGN}$CT_TYPE_DESC${CL}"
+        fi
+      else
+        exit_script
+      fi
     fi
-
-    CT_TYPE=$(<"$TMP_OUTPUT_FILE")
-
-    if [ "$CT_TYPE" == "0" ]; then
-      CT_TYPE_DESC="Privileged"
-    elif [ "$CT_TYPE" == "1" ]; then
-      CT_TYPE_DESC="Unprivileged"
-    else
-      CT_TYPE=""
-      continue
-    fi
-
-    echo -e "${OS}${BOLD}${DGN}Operating System: ${BGN}$var_os${CL}"
-    echo -e "${OSVERSION}${BOLD}${DGN}Version: ${BGN}$var_version${CL}"
-    echo -e "${CONTAINERTYPE}${BOLD}${DGN}Container Type: ${BGN}$CT_TYPE_DESC${CL}"
   done
 
   while true; do