1 files changed, 1 insertions, 3 deletions
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));
 }