diff --git a/ChangeLog b/ChangeLog
index fec49a4c74..5afb603db3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,10 @@ Wed Nov  7 03:32:38 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 	  nkf conversion.  a patch from <moonwolf AT moonwolf.com>.
 	  [ruby-dev:32183]
 
+Wed Nov  7 02:59:49 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* array.c (rb_ary_each_index): should return meaningful value.
+
 Tue Nov  6 16:37:47 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* eval_load.c (loaded_feature_path): need to expand relative paths.
diff --git a/array.c b/array.c
index 8573746f46..09063d7dc3 100644
--- a/array.c
+++ b/array.c
@@ -1193,6 +1193,7 @@ rb_ary_each_index(VALUE ary)
 {
     RETURN_ENUMERATOR(ary, 0, 0);
     ITERATE(each_index_i, ary);
+    return ary;
 }
 
 static VALUE