I learned that both exist in school in France. It doesn't matter, I write both interchangeably and nobody ever cared nor corrected me.
The reference to Brian being in the kitchen is understandable only for Gen X in France. (https://fr.wikipedia.org/wiki/Where_is_Brian%3F, only in French unfortunately but you also have https://youtu.be/11jG7lkwDwU?si=gQoVL_AmBfQMrZbX&t=57)