diff --git a/flake.nix b/flake.nix
index 77afe5f..1effddc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -53,6 +53,8 @@
           default = musicutil;
         };
 
+        defaultApp = self.apps."${system}".musicutil;
+
         devShell = pkgs.mkShell { buildInputs = with pkgs; [ go ffmpeg ]; };
 
         lib = pkgs.musicutil.lib;