1 files changed, 1 insertions, 2 deletions
diff --git a/class.c b/class.c
index 79ba34e0dd..5320a4cf00 100644
--- a/class.c
+++ b/class.c
@@ -49,8 +49,7 @@ static ID id_attached;
 static VALUE
 class_alloc(VALUE flags, VALUE klass)
 {
-    NEWOBJ(obj, struct RClass);
-    OBJSETUP(obj, klass, flags);
+    NEWOBJ_OF(obj, struct RClass, klass, flags);
     obj->ptr = ALLOC(rb_classext_t);
     RCLASS_IV_TBL(obj) = 0;
     RCLASS_CONST_TBL(obj) = 0;