diff --git a/ChangeLog b/ChangeLog
index d06d243f52..a47543410b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Tue Jul 24 12:35:13 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* test/ruby/test_dir_m17n.rb: remove a garbage.
+
+	* test/ruby/test_dir_m17n.rb: convert from ascii-8bit to other encoding
+	  with 8bit bytes always fails.
+
 Tue Jul 24 12:32:18 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* test/ruby/test_dir_m17n.rb: sorry, typo.
diff --git a/test/ruby/test_dir_m17n.rb b/test/ruby/test_dir_m17n.rb
index 1644a6de65..9485ee8ba4 100644
--- a/test/ruby/test_dir_m17n.rb
+++ b/test/ruby/test_dir_m17n.rb
@@ -196,10 +196,9 @@ class TestDir_M17N < Test::Unit::TestCase
       EOS
       assert_ruby_status(%w[-EASCII-8BIT], <<-'EOS', nil, :chdir=>d)
         filename = "\xA4\xA2".force_encoding('ASCII-8BIT')
-        win_expected_filename = filename.encode(Encoding.find("filesystem")) rescue "?"
+        win_expected_filename = filename.force_encoding("euc-jp").encode(Encoding.find("filesystem")) rescue "?"
         opts = {:encoding => Encoding.default_external} if /mswin|mingw/ =~ RUBY_PLATFORM
         ents = Dir.entries(".", opts)
-        p ents
         result = ents.include?(filename) ||
                (/darwin/ =~ RUBY_PLATFORM && ents.include?("%A4%A2".force_encoding("ASCII-8BIT"))) ||
                (/mswin|mingw/ =~ RUBY_PLATFORM && ents.include?(win_expected_filename.force_encoding("ASCII-8BIT")))