diff --git a/pkgs/tools/compression/ncompress/default.nix b/pkgs/tools/compression/ncompress/default.nix
index 617bb07dfab..f580709495e 100644
--- a/pkgs/tools/compression/ncompress/default.nix
+++ b/pkgs/tools/compression/ncompress/default.nix
@@ -1,12 +1,13 @@
 {lib, stdenv, fetchurl}:
 
 stdenv.mkDerivation rec {
-  name = "ncompress-5.0";
+  pname = "ncompress";
+  version = "5.0";
 
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = "mirror://sourceforge/project/ncompress/${name}.tar.gz";
+    url = "mirror://sourceforge/project/ncompress/${pname}-${version}.tar.gz";
     sha256 = "004r086c11sw9vg2j3srgxpz98w8pycjl33bk3pgqnd0s92igrn4";
   };