diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b1c723f..de80469 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -804,7 +804,7 @@
 	battery->device = device;
 	strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
-	acpi_driver_data(device) = battery;
+	device->driver_data = battery;
 	mutex_init(&battery->lock);
 	acpi_battery_update(battery);
 #ifdef CONFIG_ACPI_PROCFS_POWER