diff --git a/hw/pc_q35.c b/hw/pc_q35.c
index 52d9976..d82353e 100644
--- a/hw/pc_q35.c
+++ b/hw/pc_q35.c
@@ -214,6 +214,7 @@ static QEMUMachine pc_q35_machine = {
     .desc = "Standard PC (Q35 + ICH9, 2009)",
     .init = pc_q35_init,
     .max_cpus = 255,
+    DEFAULT_MACHINE_OPTIONS,
 };
 
 static void pc_q35_machine_init(void)
diff --git a/hw/ppc405_boards.c b/hw/ppc405_boards.c
index 45ed376..cf371db 100644
--- a/hw/ppc405_boards.c
+++ b/hw/ppc405_boards.c
@@ -362,6 +362,7 @@ static QEMUMachine ref405ep_machine = {
     .name = "ref405ep",
     .desc = "ref405ep",
     .init = ref405ep_init,
+    DEFAULT_MACHINE_OPTIONS,
 };
 
 /*****************************************************************************/