From d356ba4822edb1c72dcf9eeebfcfb7c66287049d Mon Sep 17 00:00:00 2001
From: "CanbiZ (MickLesk)" <47820557+MickLesk@users.noreply.github.com>
Date: Sat, 24 Jan 2026 18:20:53 +0100
Subject: [PATCH] fix(authelia): use POSIX-safe arithmetic to avoid exit code 1
 with set -e (#11125)

---
 install/authelia-install.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/install/authelia-install.sh b/install/authelia-install.sh
index 25ce25a7c..755e3de4b 100644
--- a/install/authelia-install.sh
+++ b/install/authelia-install.sh
@@ -15,11 +15,10 @@ update_os
 
 fetch_and_deploy_gh_release "authelia" "authelia/authelia" "binary"
 
-get_lxc_ip
 MAX_ATTEMPTS=3
 attempt=0
 while true; do
-  ((attempt++))
+  attempt=$((attempt + 1))
   read -rp "${TAB3}Enter your domain or IP (ex. example.com or 192.168.1.100): " DOMAIN
   if [[ -z "$DOMAIN" ]]; then
     if ((attempt >= MAX_ATTEMPTS)); then