diff --git a/flake.nix b/flake.nix
index ce39c90..4de8e64 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
     ...
   }:
     {
-      overlay = final: prev: let
+      overlays.musicutil = final: prev: let
         system = final.system;
         pkgs = final.pkgs;
         lib = pkgs.lib;
@@ -52,11 +52,12 @@
           buildInputs = with pkgs; [ffmpeg zlib taglib];
         };
       };
+      overlays.default = self.overlays.musicutil;
     }
     // utils.lib.eachSystem (utils.lib.defaultSystems) (system: let
       pkgs = import nixpkgs {
         inherit system;
-        overlays = [self.overlay];
+        overlays = [self.overlays.default];
       };
     in {
       defaultPackage = self.packages."${system}".musicutil;