Error installing cncli

Hi. I’m installing cncli but when I execute nix build .#cncli to build the binaires, I get this error:

[nix-shell:~/git/cardano-node]$ nix build .#cncli
error: — Error ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- nix
flake ‘git+file:///home/relay1/git/cardano-node’ does not provide attribute ‘packages.x86_64-linux.cncli’, ‘legacyPackages.x86_64-linux.cncli’ or ‘cncli’

Any idea?

Thanks!