diff --git a/pkgs/tools/package-management/packagekit/default.nix b/pkgs/tools/package-management/packagekit/default.nix
index dc69ae457dcd..bd80d4a93507 100644
--- a/pkgs/tools/package-management/packagekit/default.nix
+++ b/pkgs/tools/package-management/packagekit/default.nix
@@ -1,7 +1,6 @@
 { stdenv, fetchFromGitHub, lib
 , intltool, glib, pkgconfig, polkit, python3, sqlite
 , gobject-introspection, vala, gtk-doc, autoreconfHook, autoconf-archive
-# TODO: set enableNixBackend to true, as soon as it builds
 , nix, enableNixBackend ? false, boost
 , enableCommandNotFound ? false
 , enableBashCompletion ? false, bash-completion ? null
@@ -23,7 +22,9 @@ stdenv.mkDerivation rec {
   buildInputs = [ glib polkit python3 gobject-introspection ]
                   ++ lib.optional enableSystemd systemd
                   ++ lib.optional enableBashCompletion bash-completion;
-  propagatedBuildInputs = [ sqlite nix boost ];
+  propagatedBuildInputs =
+    [ sqlite boost ]
+    ++ lib.optional enableNixBackend nix;
   nativeBuildInputs = [ vala intltool pkgconfig autoreconfHook autoconf-archive gtk-doc ];
 
   preAutoreconf = ''