diff --git a/ChangeLog b/ChangeLog
index d1287657d9..2476f2460a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu May 19 14:44:05 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* test/ruby/test_signal.rb (test_signal_requiring): skip on Windows.
+	  we can send SIGINT only to pid 0 and the process itself.
+
 Thu May 19 09:07:08 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* lib: revert r31635-r31638 and untabify with expand(1).
diff --git a/test/ruby/test_signal.rb b/test/ruby/test_signal.rb
index e3dd273fe1..9abf9887b6 100644
--- a/test/ruby/test_signal.rb
+++ b/test/ruby/test_signal.rb
@@ -198,6 +198,7 @@ class TestSignal < Test::Unit::TestCase
   end
 
   def test_signal_requiring
+    skip "limitation of GenerateConsoleCtrlEvent()" if /mswin|mignw/ =~ RUBY_PLATFORM
     t = Tempfile.new(%w"require_ensure_test .rb")
     t.puts "sleep"
     t.close