diff --git a/ChangeLog b/ChangeLog
index fbbe4477cd..ac1caab7a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Jan  5 14:06:01 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* test/rdoc/test_rdoc_options.rb (TestRDocOptions#test_check_files):
+	  skip on Windows because chmod 0 doesn't mean unreadable by owner.
+
 Wed Jan  5 13:56:54 2011  Akinori MUSHA  <knu@iDaemons.org>
 
 	* lib/net/http.rb (Net::HTTP#get): A header hash given should not
diff --git a/test/rdoc/test_rdoc_options.rb b/test/rdoc/test_rdoc_options.rb
index a84503d3f5..ec8bd9478d 100644
--- a/test/rdoc/test_rdoc_options.rb
+++ b/test/rdoc/test_rdoc_options.rb
@@ -17,6 +17,7 @@ class TestRDocOptions < MiniTest::Unit::TestCase
   end
 
   def test_check_files
+    skip "assumes UNIX permition model" if /mswin|mingw/ =~ RUBY_PLATFORM
     out, err = capture_io do
       Dir.mktmpdir do |dir|
         Dir.chdir dir do