2 files changed, 5 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 1e268132ce..262ddc7c35 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Jul 12 00:20:00 2013  Masaki Matsushita  <glass.saga@gmail.com>
+
+	* hash.c (rb_hash_size): use RHASH_SIZE().
+
 Fri Jul 12 00:08:24 2013  Masaki Matsushita  <glass.saga@gmail.com>
 
 	* hash.c (rb_hash_values): set array capa to RHASH_SIZE().
diff --git a/hash.c b/hash.c
index 8321a9f4ad..7997b2e681 100644
--- a/hash.c
+++ b/hash.c
@@ -1379,9 +1379,7 @@ rb_hash_replace(VALUE hash, VALUE hash2)
 static VALUE
 rb_hash_size(VALUE hash)
 {
-    if (!RHASH(hash)->ntbl)
-        return INT2FIX(0);
-    return INT2FIX(RHASH(hash)->ntbl->num_entries);
+    return INT2FIX(RHASH_SIZE(hash));
 }