Bug: Missing icon when installed from Flathub on NixOS

[boustanihani]

Bug: Missing icon when installed from Flathub on NixOS.

I restarted my system, and still cannot see the icon for DistroShelf =>

I am using NixOS 25.05 & Gnome, here is my system:

[MrScratchcat]

I had the same error on arch but i used the aur package and now its fixed maybe try to use distroshelf on nixpkgs-unstable instead of flatpak