diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 601ea518f8..460c14b5e3 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -466,8 +466,7 @@ static void ppc_core99_init(MachineState *machine)
     fw_cfg = FW_CFG(dev);
     qdev_prop_set_uint32(dev, "data_width", 1);
     qdev_prop_set_bit(dev, "dma_enabled", false);
-    object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
-                              OBJECT(fw_cfg));
+    object_property_add_child(OBJECT(machine), TYPE_FW_CFG, OBJECT(fw_cfg));
     s = SYS_BUS_DEVICE(dev);
     sysbus_realize_and_unref(s, &error_fatal);
     sysbus_mmio_map(s, 0, CFG_ADDR);
diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c
index 558c639202..5a7b25a4a8 100644
--- a/hw/ppc/mac_oldworld.c
+++ b/hw/ppc/mac_oldworld.c
@@ -303,8 +303,7 @@ static void ppc_heathrow_init(MachineState *machine)
     fw_cfg = FW_CFG(dev);
     qdev_prop_set_uint32(dev, "data_width", 1);
     qdev_prop_set_bit(dev, "dma_enabled", false);
-    object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
-                              OBJECT(fw_cfg));
+    object_property_add_child(OBJECT(machine), TYPE_FW_CFG, OBJECT(fw_cfg));
     s = SYS_BUS_DEVICE(dev);
     sysbus_realize_and_unref(s, &error_fatal);
     sysbus_mmio_map(s, 0, CFG_ADDR);