diff --git a/ChangeLog b/ChangeLog
index e3ad0319be..b3abd0b795 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Jun 19 16:13:54 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* rubytest.rb: add library path to include standard libraries.
+
 Thu Jun 19 13:13:10 2003  NAKAMURA Usaku <usa@ruby-lang.org>
 
 	* hash.c (env_delete, rb_f_getenv, env_fetch): case insensitive to
diff --git a/rubytest.rb b/rubytest.rb
index 05705dacf5..841a8758b7 100644
--- a/rubytest.rb
+++ b/rubytest.rb
@@ -32,7 +32,7 @@ end
 $stderr.reopen($stdout)
 error = ''
 
-`./#{CONFIG["ruby_install_name"]}#{CONFIG["EXEEXT"]} #{CONFIG["srcdir"]}/sample/test.rb`.each do |line|
+`./#{CONFIG["ruby_install_name"]}#{CONFIG["EXEEXT"]} -I#{CONFIG["srcdir"]}/lib #{CONFIG["srcdir"]}/sample/test.rb`.each do |line|
   if line =~ /^end of test/
     print "test succeeded\n"
     exit 0