diff --git a/ChangeLog b/ChangeLog
index 453ac9e76a..6fd1eb90ce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Sep 11 18:51:57 2009  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* test/fileutils: use require_relative to require fileasserts.
+
 Fri Sep 11 14:22:45 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (debugflags): use gdb by default on linux and
diff --git a/test/fileutils/test_fileutils.rb b/test/fileutils/test_fileutils.rb
index 13df0fc133..69bc51f7ab 100644
--- a/test/fileutils/test_fileutils.rb
+++ b/test/fileutils/test_fileutils.rb
@@ -1,7 +1,7 @@
 # $Id$
 
 require 'fileutils'
-require 'fileasserts'
+require_relative 'fileasserts'
 require 'pathname'
 require 'tmpdir'
 require 'test/unit'
diff --git a/test/fileutils/test_nowrite.rb b/test/fileutils/test_nowrite.rb
index 369f8ca608..4575d3e7af 100644
--- a/test/fileutils/test_nowrite.rb
+++ b/test/fileutils/test_nowrite.rb
@@ -1,7 +1,7 @@
 # $Id$
 
 require 'fileutils'
-require 'fileasserts'
+require_relative 'fileasserts'
 require 'tmpdir'
 require 'test/unit'