1 files changed, 6 insertions, 4 deletions
diff --git a/hw/arm/collie.c b/hw/arm/collie.c
index 4b35ef4bed..a49f4a1c7c 100644
--- a/hw/arm/collie.c
+++ b/hw/arm/collie.c
@@ -18,16 +18,18 @@
 #include "hw/block/flash.h"
 #include "exec/address-spaces.h"
 #include "cpu.h"
+#include "qom/object.h"
 
-typedef struct {
+struct CollieMachineState {
     MachineState parent;
 
     StrongARMState *sa1110;
-} CollieMachineState;
+};
+typedef struct CollieMachineState CollieMachineState;
 
 #define TYPE_COLLIE_MACHINE MACHINE_TYPE_NAME("collie")
-#define COLLIE_MACHINE(obj) \
-    OBJECT_CHECK(CollieMachineState, obj, TYPE_COLLIE_MACHINE)
+DECLARE_INSTANCE_CHECKER(CollieMachineState, COLLIE_MACHINE,
+                         TYPE_COLLIE_MACHINE)
 
 static struct arm_boot_info collie_binfo = {
     .loader_start = SA_SDCS0,