diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c
index ebc96cc8f6..53a9fd5696 100644
--- a/hw/misc/macio/macio.c
+++ b/hw/misc/macio/macio.c
@@ -492,7 +492,7 @@ static void macio_class_init(ObjectClass *klass, void *data)
 
 static const TypeInfo macio_bus_info = {
     .name = TYPE_MACIO_BUS,
-    .parent = TYPE_BUS,
+    .parent = TYPE_SYSTEM_BUS,
     .instance_size = sizeof(MacIOBusState),
 };