diff --git a/pkgs/tools/compression/xz/default.nix b/pkgs/tools/compression/xz/default.nix
index cc021a1ef05..8304c34af89 100644
--- a/pkgs/tools/compression/xz/default.nix
+++ b/pkgs/tools/compression/xz/default.nix
@@ -8,10 +8,11 @@
 # files.
 
 stdenv.mkDerivation rec {
-  name = "xz-5.2.5";
+  pname = "xz";
+  version = "5.2.5";
 
   src = fetchurl {
-    url = "https://tukaani.org/xz/${name}.tar.bz2";
+    url = "https://tukaani.org/xz/xz-${version}.tar.bz2";
     sha256 = "1ps2i8i212n0f4xpq6clp7h13q7m1y8slqvxha9i8d0bj0qgj5si";
   };