diff --git a/meta/conf/machine/qemuppc.conf b/meta/conf/machine/qemuppc.conf
index bab06e292e5..7c73cd6588e 100644
--- a/meta/conf/machine/qemuppc.conf
+++ b/meta/conf/machine/qemuppc.conf
@@ -13,7 +13,7 @@ SERIAL_CONSOLES ?= "115200;ttyS0 115200;ttyS1"
 
 # For runqemu
 QB_SYSTEM_NAME = "qemu-system-ppc"
-QB_MACHINE = "-machine mac99"
+QB_MACHINE = "-machine mac99,via=pmu"
 QB_CPU = "-cpu G4"
 QB_KERNEL_CMDLINE_APPEND = "console=tty console=ttyS0"
 QB_OPT_APPEND = "-usb -device usb-tablet"