Can't read statix.toml from nix store

[ursi]

I tried adding the following as a check for my flake

 ${statix}/bin/statix check --config ${./statix.toml} ${./.}

and the config was being ignored. I'm having to do this instead

ln -s ${./statix.toml} statix.toml
${statix}/bin/statix check ${./.}