2 files changed, 8 insertions, 8 deletions

diff --git a/README.md b/README.md
index 9b6b6e6..1fb1e55 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ should be able to build tarball by navigating to this directory.
 
 ```
 ~$ nix registry add nixturris git+https://git.cynerd.cz/nixturris
-~$ nix build nixturris#tarball-mox
+~$ nix build nixturris#tarballMox
 ```
 
 The last step is to unpack the tarball to the SD card.
diff --git a/flake.nix b/flake.nix
index 739ba9e..7e52714 100644
--- a/flake.nix
+++ b/flake.nix
@@ -65,16 +65,16 @@
       system: {
         packages = let
 
-          createTarball = board: (self.lib.nixturrisSystem {
-              system = system;
-              board = board;
-              modules = [ (import ./tarball.nix board) ];
-            }).config.system.build.tarball;
+          createTarball = {...} @args: (self.lib.nixturrisSystem ({
+              modules = [ (import ./tarball.nix args.board) ];
+            } // args)).config.system.build.tarball;
 
         in {
 
-          tarball-mox = createTarball "mox";
-          tarball-omnia = createTarball "omnia";
+          tarballMox = createTarball { board = "mox"; };
+          tarballOmnia = createTarball { board = "omnia"; };
+          crossTarballMox = createTarball { board = "mox"; system = system; };
+          crossTarballOmnia = createTarball { board = "omnia"; system = system; };
 
         } // flake-utils.lib.filterPackages system (flake-utils.lib.flattenTree (
           import ./pkgs { nixpkgs = nixpkgs-stable.legacyPackages."${system}"; }