1 files changed, 6 insertions, 5 deletions
diff --git a/nixpkgs/pkgs/development/libraries/boost-process/default.nix b/nixpkgs/pkgs/development/libraries/boost-process/default.nix
index 148e27faa2b6..551c1247949e 100644
--- a/nixpkgs/pkgs/development/libraries/boost-process/default.nix
+++ b/nixpkgs/pkgs/development/libraries/boost-process/default.nix
@@ -1,18 +1,19 @@
 { lib, stdenv, fetchurl, unzip }:
 
-stdenv.mkDerivation {
-  name = "boost-process-0.5";
+stdenv.mkDerivation rec {
+  pname = "boost-process";
+  version = "0.5";
 
   src = fetchurl {
-    url = "http://www.highscore.de/boost/process0.5/process.zip";
+    url = "http://www.highscore.de/boost/process${version}/process.zip";
     sha256 = "1v9y9pffb2b7p642kp9ic4z6kg42ziizmyvbgrqd1ci0i4gn0831";
   };
 
   nativeBuildInputs = [ unzip ];
 
   unpackPhase = ''
-    mkdir $name
-    cd $name
+    mkdir boost-process-$version
+    cd boost-process-$version
     unzip $src
   '';