diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ce3c0a2..5b6760e 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -776,7 +776,7 @@
 
 	acpi_kobj = kobject_create_and_add("acpi", firmware_kobj);
 	if (!acpi_kobj) {
-		printk(KERN_WARNING "%s: kset create error\n", __FUNCTION__);
+		printk(KERN_WARNING "%s: kset create error\n", __func__);
 		acpi_kobj = NULL;
 	}