diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/default.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/default.nix
index da7f77985215..e5334e9563d2 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/default.nix
@@ -1,33 +1,37 @@
 {
+  lib,
   dash,
   editorconfig,
   fetchFromGitHub,
   nodejs,
   s,
-  trivialBuild,
+  melpaBuild,
 }:
-trivialBuild {
+melpaBuild {
   pname = "copilot";
   version = "0-unstable-2023-12-26";
+
   src = fetchFromGitHub {
     owner = "zerolfx";
     repo = "copilot.el";
     rev = "d4fa14cea818e041b4a536c5052cf6d28c7223d7";
     sha256 = "sha256-Tzs0Dawqa+OD0RSsf66ORbH6MdBp7BMXX7z+5UuNwq4=";
   };
+
+  files = ''(:defaults "dist")'';
+
   packageRequires = [
     dash
     editorconfig
-    nodejs
     s
   ];
-  postInstall = ''
-    cp -r $src/dist $LISPDIR
-  '';
+
+  propagatedUserEnvPkgs = [ nodejs ];
 
   meta = {
     description = "Unofficial copilot plugin for Emacs";
     homepage = "https://github.com/zerolfx/copilot.el";
+    license = lib.licenses.mit;
     platforms = [
       "x86_64-darwin"
       "x86_64-linux"