diff --git a/test/test_open3.rb b/test/test_open3.rb
index a268822bed..bdd9b4d9cb 100644
--- a/test/test_open3.rb
+++ b/test/test_open3.rb
@@ -81,6 +81,7 @@ class TestOpen3 < Test::Unit::TestCase
   end
 
   def test_numeric_file_descriptors
+    skip "passing FDs bigger than 2 is not supported on Windows" if /mswin|mingw/ =~ RUBY_PLATFORM
     with_pipe { |r, w|
       Open3.popen3(RUBY, '-e', 'IO.open(3).puts "foo"', 3 => w) {|i,o,e,t|
         assert_equal("foo\n", r.gets, "[GH-808] [ruby-core:67347] [Bug #10699]")