diff --git a/pkgs/development/compilers/mcpp/default.nix b/pkgs/development/compilers/mcpp/default.nix
index 9ce7c9166bc..d7151147933 100644
--- a/pkgs/development/compilers/mcpp/default.nix
+++ b/pkgs/development/compilers/mcpp/default.nix
@@ -1,10 +1,11 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "mcpp-2.7.2";
+  pname = "mcpp";
+  version = "2.7.2";
 
   src = fetchurl {
-    url = "mirror://sourceforge/mcpp/${name}.tar.gz";
+    url = "mirror://sourceforge/mcpp/mcpp-${version}.tar.gz";
     sha256 = "0r48rfghjm90pkdyr4khxg783g9v98rdx2n69xn8f6c5i0hl96rv";
   };