diff --git a/apple/macbook-air/4/default.nix b/apple/macbook-air/4/default.nix
new file mode 100644
index 0000000..c6ed7e6
--- /dev/null
+++ b/apple/macbook-air/4/default.nix
@@ -0,0 +1,7 @@
+{
+  imports = [ ../. ];
+
+  boot.kernelParams = [
+    "acpi_backlight=vendor"
+  ];
+}