diff --git a/setup.sh b/setup.sh
index c60b5b9..1e4787f 100755
--- a/setup.sh
+++ b/setup.sh
@@ -414,10 +414,10 @@ warning_prompt() {
 
 check_selinux() {
     # Only on Non-NixOS based systems
-    if ! command -v nixos-version >/dev/null 2>&1; then
+    if command -v nixos-version >/dev/null 2>&1; then
         return 0
     fi
-    
+
     if [ -eq "$(getenforce)" "Enforcing" ]; then
         log_warning "SELinux is enabled. Adjusting SELinux to permissive mode..."
         sudo setenforce Permissive || die "Failed to disable SELinux"