diff --git a/outputs.nix b/outputs.nix
index f69f3bf..d5fdeb7 100644
--- a/outputs.nix
+++ b/outputs.nix
@@ -9,7 +9,7 @@ lib = (import "${inputs.nixpkgs}/lib").extend (import ./lib/overlays/version-inf
 
 self = {
   inherit inputs lib self;
-  __toString = _: selfPath;
+  outPath = selfPath;
   modifiedNixpkgs     = import ./pkgs/top-level/impure.nix;
   modifiedNixpkgsPure = import ./pkgs/top-level/default.nix;
   overlays = {