maybe

automated install/basic-install.sh

@@ -939,8 +939,8 @@ updatePihole() {
 checkSelinux() {
   if [ -x "$(command -v getenforce)" ]; then
     printf "\n::: SELinux Support Detected.."
-    getenforce | grep 'Enforcing'
-    if [ $? -eq 0 ]; then
+    enforceMode=$(getenforce)
+    if [[ "${enforceMode}" == "Enforcing" ]]; then
       if (whiptail --title "SELinux Detected" --yesno "SELinux is being Enforced on your system!\n\nPi-hole currently does not support SELinux, but you may still continue with the installation.\n\nNote: Admin UI Will not function fully without setting your policies correctly\n\nContinue installing Pi-hole?" ${r} ${c}); then
           printf "\n::: Continuing installation with SELinux Enforcing.."
           printf "\n::: Please refer to official SELinux documentation to create a custom policy."