diff --git a/ChangeLog b/ChangeLog
index dd27d7aeca..c3ee31abde 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Mar 20 16:40:48 2013  Hiroshi Shirosaki  <h.shirosaki@gmail.com>
+
+	* test/ruby/test_signal.rb (test_hup_me): skip if HUP isn't supported.
+	  On Windows this test causes ArgumentError.
+
 Wed Mar 20 16:24:12 2013  Hiroshi Shirosaki  <h.shirosaki@gmail.com>
 
 	* test/rubygems/test_gem_installer.rb (test_install_extension_flat):
diff --git a/test/ruby/test_signal.rb b/test/ruby/test_signal.rb
index 2cab5eb1db..c7cce9a9d7 100644
--- a/test/ruby/test_signal.rb
+++ b/test/ruby/test_signal.rb
@@ -275,6 +275,8 @@ EOS
   end
 
   def test_hup_me
+    return unless Signal.list.has_key?('HUP')
+
     # [Bug #7951] [ruby-core:52864]
     # This is MRI specific spec. ruby has no guarantee
     # that signal will be deliverd synchronously.