Change lsp-ui tooltip font?

​ https://preview.redd.it/jhsj7k0mad7a1.png?width=133&format=png&auto=webp&s=95740ee2c13662531240851f56baf6397b8a8a81 As you can see, the lsp-ui tooltip uses this ugly font rather than my preferred font. How can I fix this? I can't find the face which dictates the lsp-ui tooltip.

lsp-ui uses markdown-mode to render popups so the font selection is performed there.