diff --git a/clutter/clutter-actor.h b/clutter/clutter-actor.h
index af962caf1..f6d889982 100644
--- a/clutter/clutter-actor.h
+++ b/clutter/clutter-actor.h
@@ -74,10 +74,10 @@ G_BEGIN_DECLS
  */
 #define CLUTTER_ACTOR_UNSET_FLAGS(a,f)  (((ClutterActor*)(a))->flags &= ~(f))
 
-#define CLUTTER_ACTOR_IS_MAPPED(e)      (((ClutterActor*)(e))->flags & CLUTTER_ACTOR_MAPPED)
-#define CLUTTER_ACTOR_IS_REALIZED(e)    (((ClutterActor*)(e))->flags & CLUTTER_ACTOR_REALIZED)
+#define CLUTTER_ACTOR_IS_MAPPED(e)      ((((ClutterActor*)(e))->flags & CLUTTER_ACTOR_MAPPED) != FALSE)
+#define CLUTTER_ACTOR_IS_REALIZED(e)    ((((ClutterActor*)(e))->flags & CLUTTER_ACTOR_REALIZED) != FALSE)
 #define CLUTTER_ACTOR_IS_VISIBLE(e)     (CLUTTER_ACTOR_IS_MAPPED (e) && CLUTTER_ACTOR_IS_REALIZED (e))
-#define CLUTTER_ACTOR_IS_REACTIVE(e)    (((ClutterActor*)(e))->flags & CLUTTER_ACTOR_REACTIVE)
+#define CLUTTER_ACTOR_IS_REACTIVE(e)    ((((ClutterActor*)(e))->flags & CLUTTER_ACTOR_REACTIVE) != FALSE)
 
 typedef struct _ClutterActorClass    ClutterActorClass;
 typedef struct _ClutterActorBox      ClutterActorBox;