diff --git a/pkgs/by-name/mf/mfcl2740dwlpr/package.nix b/pkgs/by-name/mf/mfcl2740dwlpr/package.nix
index 53ce0da9669f..0ef534151001 100644
--- a/pkgs/by-name/mf/mfcl2740dwlpr/package.nix
+++ b/pkgs/by-name/mf/mfcl2740dwlpr/package.nix
@@ -13,13 +13,13 @@
   perl,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "mfcl2740dwlpr";
   version = "3.2.0-1";
 
   src = fetchurl {
-    url = "https://download.brother.com/welcome/dlf101727/${pname}-${version}.i386.deb";
-    sha256 = "10a2bc672bd54e718b478f3afc7e47d451557f7d5513167d3ad349a3d00bffaf";
+    url = "https://download.brother.com/welcome/dlf101727/mfcl2740dwlpr-${finalAttrs.version}.i386.deb";
+    hash = "sha256-EKK8ZyvVTnGLR486/H5H1FFVf31VExZ9OtNJo9AL/68=";
   };
 
   nativeBuildInputs = [
@@ -64,6 +64,6 @@ stdenv.mkDerivation rec {
       "x86_64-linux"
       "i686-linux"
     ];
-    maintainers = [ ];
+    maintainers = with lib.maintainers; [ ];
   };
-}
+})