diff --git a/dat/ncdu.md b/dat/ncdu.md
index f941427..2379e30 100644
--- a/dat/ncdu.md
+++ b/dat/ncdu.md
@@ -40,6 +40,7 @@ Ncdu has been packaged for quite a few systems, here's a list of the ones I am a
 [Frugalware](http://frugalware.org/packages/?op=pkg&srch=ncdu&arch=all&ver=all) -
 [Gentoo](https://packages.gentoo.org/packages/sys-fs/ncdu) -
 [GNU Guix](https://www.gnu.org/software/guix/package-list.html) -
+[NixOS](https://github.com/NixOS/nixpkgs/blob/master/pkgs/tools/misc/ncdu/default.nix) -
 [OpenBSD](http://cvsweb.openbsd.org/cgi-bin/cvsweb/ports/sysutils/ncdu/) -
 Mac OS X ([Fink](http://pdb.finkproject.org/pdb/package.php/ncdu) - [Homebrew](https://formulae.brew.sh/formula/ncdu) - [MacPorts](http://www.macports.org/ports.php?by=name&substr=ncdu)) -
 [Puppy Linux](http://www.murga-linux.com/puppy/viewtopic.php?t=35024) -