diff --git a/docs/content/getting-started/folder_structure.md b/docs/content/getting-started/folder_structure.md
index b791572..0ec503a 100644
--- a/docs/content/getting-started/folder_structure.md
+++ b/docs/content/getting-started/folder_structure.md
@@ -353,7 +353,7 @@ maps to the "default" package.
 
 Inputs:
 
-The [per-system](#per-system) values, plus the `pname` attribute, where pname refers to the package name.
+The [per-system](#per-system) values, plus the `pname` attribute, where pname refers to the package name. To keep compatibility with the nixpkgs way of defining packages it is also possible for the inputs to be a subset of nixpkgs.
 
 Flake outputs:
 
diff --git a/lib/default.nix b/lib/default.nix
index 83ec3eb..69a0121 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -54,7 +54,7 @@ let
                 overlays = nixpkgs.overlays or [ ];
               };
         in
-        lib.makeScope lib.callPackageWith (_: {
+        lib.makeScope lib.callPackageWith (_: pkgs // {
           inherit
             inputs
             perSystem