diff --git a/flake.nix b/flake.nix
index cfc19c3..a697e6b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -87,9 +87,7 @@
           };
         };
 
-        defaultPackage = self.packages.${system}.abacus;
-
-        devShell = pkgs.mkShell {
+        devShells.default = pkgs.mkShell {
           inputsFrom = with self.packages.${system}; [
             abacus
           ];
@@ -99,6 +97,7 @@
 
         packages = futils.lib.flattenTree {
           inherit (pkgs) abacus;
+          default = pkgs.abacus;
         };
       });
 }