[Plugin: Contact Form 7] A Checkbox with an Apostrophe in

If I include an apostrophe in a checkbox the checkbox choice it comes back uncheched if a user has an error. For example:

[checkbox* checkbox-test “Without apostrophe” “With apostrophe'”]

The first check box will stay checked after a form is submitted with an error but the second will become unchecked even if it was checked before submission.