diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 61e32ec1fc4d40230965e4d2915b4701ec54b5c4..f8009d99190a04bce3801218db1fecd8e29382f7 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -252,6 +252,7 @@ struct acpi_device_pnp {
 #define acpi_device_bid(d)	((d)->pnp.bus_id)
 #define acpi_device_adr(d)	((d)->pnp.bus_address)
 const char *acpi_device_hid(struct acpi_device *device);
+#define acpi_device_uid(d)	((d)->pnp.unique_id)
 #define acpi_device_name(d)	((d)->pnp.device_name)
 #define acpi_device_class(d)	((d)->pnp.device_class)