1 files changed, 1 insertions, 1 deletions
diff --git a/marshal.c b/marshal.c
index 7cd4756fd0..db62d3bda2 100644
--- a/marshal.c
+++ b/marshal.c
@@ -917,7 +917,7 @@ w_object(VALUE obj, struct dump_arg *arg, int limit)
 	    if (NIL_P(RHASH_IFNONE(obj))) {
 		w_byte(TYPE_HASH, arg);
 	    }
-	    else if (FL_TEST(obj, HASH_PROC_DEFAULT)) {
+	    else if (FL_TEST(obj, RHASH_PROC_DEFAULT)) {
 		rb_raise(rb_eTypeError, "can't dump hash with default proc");
 	    }
 	    else {