Font preview shows strange codes instead of € and ¢

Steps to reproduce:

  • open Inkscape
  • open Font panel
  • look at fonts list and their preview

What happened?

Looks like: image

What should have happened?

They should be as the font preview at bottom: "AaBbCcIiPpQq12369$€¢?.;/()"

Inkscape Version and Operating System:

  • Inkscape Version: 1.0 (4035a4f, 2020-05-01)
  • Operating System: Debian x64, Mate Desktop
  • Operating System version: 10 Buster