Can the right arrow key be disabled in Grub?

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http://askubuntu.com – I am dual booting so have a choice of operating systems in the Grub menu. The only annoyance I find is that pressing the Right arrow key is the equivalent of pressing Enter. If I press the Right arrow key the OS which is highlighted will be launched, this however is a bit annoying because my keyboard is a little cramped and a few times I have accidentally pressed the Right arrow key instead of the Down arrow key and loaded the wrong OS. Is there a way to stop the Right arrow key functioning in this way in Grub? (HowTos)