diff --git a/default.nix b/default.nix
index bb13b3b..6443a49 100644
--- a/default.nix
+++ b/default.nix
@@ -5,4 +5,8 @@ in
 {
   ci.check = getPackage "ci-check";
   formatter = getPackage "formatter";
+  systems = {
+    nixos = builtins.mapAttrs (_: system: system.result) nilla.systems.nixos;
+    darwin = builtins.mapAttrs (_: system: system.result) nilla.systems.darwin;
+  };
 }