diff --git a/flake.nix b/flake.nix
index d4228bc..bf36878 100644
--- a/flake.nix
+++ b/flake.nix
@@ -51,7 +51,7 @@
           };
         };
 
-        defaultPackage = packages."${package_name}";
+        defaultPackage = packages.default;
 
         # `nix run`
         apps."${package_name}" = utils.lib.mkApp {