diff --git a/scripts/nix_bootstrap.sh b/scripts/nix_bootstrap.sh
index d18601d..ad728d1 100644
--- a/scripts/nix_bootstrap.sh
+++ b/scripts/nix_bootstrap.sh
@@ -5,8 +5,9 @@ set -e
 echo "Installing Nix package manager..."
 
 # Check if running as root
-if [ "$EUID" -eq 0 ]; then 
-    echo "Warning: Running as root. Multi-user installation recommended for non-root users."
+if [ "$EUID" -ne 0 ]; then
+    echo "Error: This script must be run as root" >&2
+    exit 1
 fi
 
 # Install xz-utils if not present (required for decompressing Nix tarball)
@@ -27,7 +28,7 @@ if ! command -v xz &> /dev/null; then
 fi
 
 # Download and run the Nix installer (multi-user mode with daemon)
-curl -L https://nixos.org/nix/install | sh -s -- --daemon
+curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install | sh -s -- --daemon
 
 # Source Nix profile
 if [ -f /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh ]; then