diff --git a/ChangeLog b/ChangeLog
index be50a20e94..3106ad9f9c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+Fri Jul  5 20:46:39 2013  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* test/ruby/test_unicode_escape.rb (TestUnicodeEscape#test_basic): this
+	  assertion doesn't seems to be checking the unicode string on command
+	  line, but seems to be checking how to treat the unicode string from
+	  stdin.  so, should escape '\' before 'u'.  this fixes a test failure
+	  on Windows.
+
 Fri Jul  5 19:05:40 2013  Akinori MUSHA  <knu@iDaemons.org>
 
 	* lib/fileutils.rb (FileUtils#chown, FileUtils#chown_R): Fix the
diff --git a/test/ruby/test_unicode_escape.rb b/test/ruby/test_unicode_escape.rb
index c1b1e2ca40..2561b49486 100644
--- a/test/ruby/test_unicode_escape.rb
+++ b/test/ruby/test_unicode_escape.rb
@@ -49,7 +49,7 @@ EOS
     assert_match(/^("?)A\1$/, `echo "\u0041"`) #"
     assert_match(/^("?)A\1$/, %x{echo "\u0041"}) #"
     assert_match(/^("?)ü\1$/,
-      `#{EnvUtil.rubybin} -e "#coding:utf-8\nputs \\"\u{FC}\\""`.force_encoding("utf-8")) #"
+      `#{EnvUtil.rubybin} -e "#coding:utf-8\nputs \\"\\u{FC}\\""`.force_encoding("utf-8")) #"
 
     # \u in quoted symbols
     assert_equal(:A, :"\u0041")