diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index e14dce951d..319bc4b180 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -450,7 +450,7 @@ static void pc_compat_2_0_fn(MachineState *machine)
 #ifdef CONFIG_ISAPC
 static void pc_init_isa(MachineState *machine)
 {
-    pc_init1(machine, TYPE_I440FX_PCI_DEVICE);
+    pc_init1(machine, NULL);
 }
 #endif