strk on Nostr: Something weird happens with this post when viewed from floss.social: ...

Something weird happens with this post when viewed from floss.social: https://floss.social/@davidrevoy@framapiaf.org/111415546939576916

Here's a screenshot:
https://ctrl.vi/i/-pDb1uH7B

Any idea why ?
It works fine from other instances

#MastoHelp \cc npub15cduqertz3tg25dgp48rkvq9qwsvlv0324g82kedy5dmu77q345ssx3mv2 (npub15cd…3mv2)