diff --git a/ChangeLog b/ChangeLog
index e651ea5edc..1cabc75011 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Dec  5 00:54:32 2004  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* mkconfig.rb: setup library paths before requiring library.
+	  [ruby-core:03892]
+
 Sat Dec  4 21:29:05 2004  Minero Aoki  <aamine@loveruby.net>
 
 	* lib/fileutils.rb: (In previous commit) new method chown.
diff --git a/mkconfig.rb b/mkconfig.rb
index 757a153f5f..e743aa803d 100644
--- a/mkconfig.rb
+++ b/mkconfig.rb
@@ -4,7 +4,10 @@
 $install_name ||= nil
 $so_name ||= nil
 
-require File.dirname($0)+"/lib/fileutils"
+srcdir = File.dirname(__FILE__)
+$:.replace [srcdir+"/lib", "."]
+
+require "fileutils"
 mkconfig = File.basename($0)
 
 rbconfig_rb = ARGV[0] || 'rbconfig.rb'