Why is "un cadeau" not the answer to a present

Bonjour Stephen,

It is! Is it possible that you typed "cadeau" rather than "un cadeau"? The article is required.

No I typed un cadeau

Could you tell me which browser and OS you're using, please?

I can't get "un cadeau" to work on my iPad either

Bonjour Annette and Stephen,

We've found a problem that affects only mobile devices and patched it - I'd be so grateful if you could try again and let me know if it works now.

C'est d'accord maintenant

Bonjour Laura,
J'ai eu le même problème encore. I'm using an android tablet with chrome browser.
Stephen

Annette - formidable, merci ! :-)

Stephen - merci, je partagerai vos infos avec notre soutien technique.

Bonjour Stephen,

Thanks for your patience. We just released a new version of the Advent calendar that should fix this issue. Please try again and let me know if it's working now. Merci !

Bonjour Laura,
Ça marche. Merci.
I tried it on my tablet and my pc. The tablet puts a space at the end. In this case I'm informed that it's wrong. When I remove the space the answer is accepted.
Merci encore,
Stephen

Excellent, thanks for letting me know! I'll see if we can get that extra space issue resolved as well.