diff --git a/ChangeLog b/ChangeLog
index 6af6bec99b..91559a4e61 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Wed Oct 10 15:12:48 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* test/ruby/test_process.rb (TestProcess#test_execopts_gid): skip on
+	  windows because the platform does not have Process.group method.
+	  patched by Jon Forums in [ruby-core:47878] [Bug #7133].
+
 Tue Oct  9 23:18:03 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* test/ruby/envutil.rb (assert_file, assert_file_not): more
diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index eff72c78b4..e6f18a6d81 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -1501,6 +1501,7 @@ class TestProcess < Test::Unit::TestCase
   end
 
   def test_execopts_gid
+    skip "Process.groups not implemented on Windows platform" if windows?
     feature6975 = '[ruby-core:47414]'
 
     [30000, *Process.groups.map {|g| g = Etc.getgrgid(g); [g.name, g.gid]}].each do |group, gid|