1 files changed, 1 insertions, 1 deletions
diff --git a/thread.c b/thread.c
index 7d10545b0b..7e1c1a65bb 100644
--- a/thread.c
+++ b/thread.c
@@ -5170,7 +5170,7 @@ recursive_check(VALUE list, VALUE obj, VALUE paired_obj_id)
 #if SIZEOF_LONG == SIZEOF_VOIDP
   #define OBJ_ID_EQL(obj_id, other) ((obj_id) == (other))
 #elif SIZEOF_LONG_LONG == SIZEOF_VOIDP
-  #define OBJ_ID_EQL(obj_id, other) (RB_TYPE_P((obj_id), T_BIGNUM) ? \
+  #define OBJ_ID_EQL(obj_id, other) (RB_BIGNUM_TYPE_P((obj_id)) ? \
     rb_big_eql((obj_id), (other)) : ((obj_id) == (other)))
 #endif