--- a/test/mimemagic_test.rb
+++ b/test/mimemagic_test.rb
@@ -44,7 +44,7 @@
   end
 
   def test_have_extensions
-    assert_equal %w(htm html), MimeMagic.new('text/html').extensions
+    assert_equal ["htm", "html"].sort, MimeMagic.new('text/html').extensions.sort
   end
 
   def test_have_comment