Because you're using an old version of 1v60 from Git?
If you try it either with 1v59 from the website, or with a new version from Git, it should work fine (just tried here).
I've just released a 'proper' version. Try a normal firmware update and see if that solves your problems.
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Because you're using an old version of 1v60 from Git?
If you try it either with 1v59 from the website, or with a new version from Git, it should work fine (just tried here).
I've just released a 'proper' version. Try a normal firmware update and see if that solves your problems.