diff --git a/hosts/FredOS-Macbook.nix b/hosts/FredOS-Macbook.nix
index b27fed2..aea507b 100644
--- a/hosts/FredOS-Macbook.nix
+++ b/hosts/FredOS-Macbook.nix
@@ -32,9 +32,17 @@
       HandleLidSwitchExternalPower = "suspend";
     };
 
-    # Disable-while-typing daemon for the bcm5974 touchpad.
-    # Hyprland's built-in DWT doesn't work because the keyboard and
-    # touchpad share the same USB device, breaking libinput's pairing.
+    # Hint libinput that the Apple keyboard is internal, so its built-in
+    # DWT pairing works for the bcm5974 touchpad (keyboard and touchpad
+    # share the same USB device, which normally breaks pairing).
+    environment.etc."libinput/local-overrides.quirks".text = ''
+      [Apple MacBook Keyboard]
+      MatchProduct=Apple Internal Keyboard
+      AttrKeyboardIntegration=internal
+    '';
+
+    # Fallback DWT daemon in case the libinput quirk above isn't enough.
+    # TODO: remove this if the quirk works reliably.
     systemd.services.macbook-dwt = {
       description = "Disable touchpad while typing (bcm5974)";
       after = [ "systemd-udevd.service" ];