1 files changed, 3 insertions, 2 deletions
diff --git a/include/hw/clock.h b/include/hw/clock.h
index 9ecd78b2c3..b524509b47 100644
--- a/include/hw/clock.h
+++ b/include/hw/clock.h
@@ -18,7 +18,9 @@
 #include "qemu/queue.h"
 
 #define TYPE_CLOCK "clock"
-#define CLOCK(obj) OBJECT_CHECK(Clock, (obj), TYPE_CLOCK)
+typedef struct Clock Clock;
+DECLARE_INSTANCE_CHECKER(Clock, CLOCK,
+                         TYPE_CLOCK)
 
 typedef void ClockCallback(void *opaque);
 
@@ -54,7 +56,6 @@ typedef void ClockCallback(void *opaque);
  * @sibling: structure used to form a clock list
  */
 
-typedef struct Clock Clock;
 
 struct Clock {
     /*< private >*/