diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index cd6e169d47..3303d2eab6 100644
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -792,7 +792,7 @@ static void ich9_lpc_class_init(ObjectClass *klass, void *data)
 static const TypeInfo ich9_lpc_info = {
     .name       = TYPE_ICH9_LPC_DEVICE,
     .parent     = TYPE_PCI_DEVICE,
-    .instance_size = sizeof(struct ICH9LPCState),
+    .instance_size = sizeof(ICH9LPCState),
     .instance_init = ich9_lpc_initfn,
     .class_init  = ich9_lpc_class_init,
     .interfaces = (InterfaceInfo[]) {