1 files changed, 1 insertions, 1 deletions
diff --git a/src/gc.c b/src/gc.c
index 0a93993a2..142b73318 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -648,7 +648,7 @@ obj_free(mrb_state *mrb, struct RBasic *obj)
     break;
 
   case MRB_TT_ARRAY:
-    if (obj->flags & MRB_ARY_SHARED)
+    if (ARY_SHARED_P(obj))
       mrb_ary_decref(mrb, ((struct RArray*)obj)->aux.shared);
     else
       mrb_free(mrb, ((struct RArray*)obj)->ptr);