diff --git a/ChangeLog b/ChangeLog
index da28a55e3e..3072677b62 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,7 +2,7 @@ Wed Oct 28 15:02:31 2009  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* gem_prelude.rb (Gem.set_home):
 	  force_encoding(Encoding.filesystem_encoding)
-	  [ruby-dev:39546]
+	  [ruby-core:25959]
 
 	* gem_prelude.rb (Gem.set_paths): ditto.