diff --git a/ChangeLog b/ChangeLog
index deb65d7262..12cc173fef 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Sep 29 19:40:32 2012  Hiroshi Shirosaki  <h.shirosaki@gmail.com>
+
+	* test/ruby/test_unicode_escape.rb (TestUnicodeEscape#test_basic):
+	  set script encoding to work with LANG=C. It would work on both
+	  Windows and Unix. Refix of r37051.
+
 Sat Sep 29 11:21:06 2012  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* vm_insnhelper.c (rb_vm_using_modules): use using_modules before
diff --git a/test/ruby/test_unicode_escape.rb b/test/ruby/test_unicode_escape.rb
index af09428421..c1b1e2ca40 100644
--- a/test/ruby/test_unicode_escape.rb
+++ b/test/ruby/test_unicode_escape.rb
@@ -48,11 +48,8 @@ EOS
     # \u in %x strings
     assert_match(/^("?)A\1$/, `echo "\u0041"`) #"
     assert_match(/^("?)A\1$/, %x{echo "\u0041"}) #"
-    if /mswin|mingw/ =~ RUBY_PLATFORM
-      assert_match(/^("?)ü\1$/, `#{EnvUtil.rubybin} -e "puts \\"\u{FC}\\""`.force_encoding("utf-8")) #"
-    else
-      assert_match(/^("?)ü\1$/, `echo "\u{FC}"`.force_encoding("utf-8")) #"
-    end
+    assert_match(/^("?)ü\1$/,
+      `#{EnvUtil.rubybin} -e "#coding:utf-8\nputs \\"\u{FC}\\""`.force_encoding("utf-8")) #"
 
     # \u in quoted symbols
     assert_equal(:A, :"\u0041")