diff --git a/setup.sh b/setup.sh
index 97376b2..1ed4b79 100755
--- a/setup.sh
+++ b/setup.sh
@@ -290,7 +290,7 @@ update_home_manager_flake() {
 }
 
 install_nix() {
-    if command -v nixos-version >/dev/null 2>&1; then
+    if command -v nix-channel >/dev/null 2>&1; then
         log_success "Detected NixOS, skipping Nix setup."
         return 0
     fi