diff --git a/tool/test-bundled-gems.rb b/tool/test-bundled-gems.rb
index 78d2ed002e..8095d086a8 100644
--- a/tool/test-bundled-gems.rb
+++ b/tool/test-bundled-gems.rb
@@ -62,6 +62,9 @@ File.foreach("#{gem_dir}/bundled_gems") do |line|
   when "test-unit"
     test_command = "#{ruby} -C #{gem_dir}/src/#{gem} test/run-test.rb"
 
+  when "win32ole"
+    next unless /mswin|mingw/ =~ RUBY_PLATFORM
+
   end
 
   if load_path