1 files changed, 6 insertions, 4 deletions
diff --git a/include/hw/nubus/mac-nubus-bridge.h b/include/hw/nubus/mac-nubus-bridge.h
index ce9c789d99..6856d7e095 100644
--- a/include/hw/nubus/mac-nubus-bridge.h
+++ b/include/hw/nubus/mac-nubus-bridge.h
@@ -10,15 +10,17 @@
 #define HW_NUBUS_MAC_H
 
 #include "hw/nubus/nubus.h"
+#include "qom/object.h"
 
 #define TYPE_MAC_NUBUS_BRIDGE "mac-nubus-bridge"
-#define MAC_NUBUS_BRIDGE(obj) OBJECT_CHECK(MacNubusState, (obj), \
-                                           TYPE_MAC_NUBUS_BRIDGE)
+typedef struct MacNubusState MacNubusState;
+DECLARE_INSTANCE_CHECKER(MacNubusState, MAC_NUBUS_BRIDGE,
+                         TYPE_MAC_NUBUS_BRIDGE)
 
-typedef struct MacNubusState {
+struct MacNubusState {
     SysBusDevice sysbus_dev;
 
     NubusBus *bus;
-} MacNubusState;
+};
 
 #endif