diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c
index 6198ec1035..7a11a38831 100644
--- a/hw/ppc/ppc405_boards.c
+++ b/hw/ppc/ppc405_boards.c
@@ -28,6 +28,7 @@
#include "qemu-common.h"
#include "cpu.h"
#include "hw/ppc/ppc.h"
+#include "hw/sysbus.h"
#include "ppc405.h"
#include "hw/rtc/m48t59.h"
#include "hw/block/flash.h"
@@ -227,7 +228,7 @@ static void ref405ep_init(MachineState *machine)
/* Register FPGA */
ref405ep_fpga_init(sysmem, 0xF0300000);
/* Register NVRAM */
- m48t59_init(NULL, 0xF0000000, 0, 8192, 1968, 8);
+ sysbus_create_simple("sysbus-m48t08", 0xF0000000, NULL);
/* Load kernel */
linux_boot = (kernel_filename != NULL);
if (linux_boot) {