diff --git a/pkgs/applications/editors/emacs/macport.nix b/pkgs/applications/editors/emacs/macport.nix
index 649997171e9f..e9307c7e80b9 100644
--- a/pkgs/applications/editors/emacs/macport.nix
+++ b/pkgs/applications/editors/emacs/macport.nix
@@ -4,10 +4,12 @@
 }:
 
 stdenv.mkDerivation rec {
-  emacsVersion = "26.3";
-  emacsName = "emacs-${emacsVersion}";
+  pname = "emacs";
+  version = "26.3";
+
+  emacsName = "emacs-${version}";
   macportVersion = "7.7";
-  name = "emacs-mac-${emacsVersion}-${macportVersion}";
+  name = "emacs-mac-${version}-${macportVersion}";
 
   src = fetchurl {
     url = "mirror://gnu/emacs/${emacsName}.tar.xz";