1 files changed, 8 insertions, 2 deletions
diff --git a/hash.c b/hash.c
index 044964c809..a058a00a91 100644
--- a/hash.c
+++ b/hash.c
@@ -463,16 +463,22 @@ rb_hash_aref(VALUE hash, VALUE key)
 }
 
 VALUE
-rb_hash_lookup(VALUE hash, VALUE key)
+rb_hash_lookup2(VALUE hash, VALUE key, VALUE def)
 {
     VALUE val;
 
     if (!RHASH(hash)->ntbl || !st_lookup(RHASH(hash)->ntbl, key, &val)) {
-	return Qnil; /* without Hash#default */
+	return def; /* without Hash#default */
     }
     return val;
 }
 
+VALUE
+rb_hash_lookup(VALUE hash, VALUE key)
+{
+    return rb_hash_lookup2(hash, key, Qnil);
+}
+
 /*
  *  call-seq:
  *     hsh.fetch(key [, default] )       => obj