diff --git a/pkgs/tools/backup/tarsnap/default.nix b/pkgs/tools/backup/tarsnap/default.nix
index ae432c6122a0..280c0cdb05ea 100644
--- a/pkgs/tools/backup/tarsnap/default.nix
+++ b/pkgs/tools/backup/tarsnap/default.nix
@@ -1,7 +1,8 @@
 { stdenv, fetchurl, openssl, zlib, e2fsprogs }:
 
-stdenv.mkDerivation {
-  name = "tarsnap-1.0.35";
+stdenv.mkDerivation rec {
+  name = "tarsnap-${version}";
+  version = "1.0.35";
 
   src = fetchurl {
     url = "https://www.tarsnap.com/download/tarsnap-autoconf-1.0.35.tgz";
@@ -12,7 +13,9 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Online backups for the truly paranoid";
-    homepage = "http://www.tarsnap.com/";
-    maintainers = with stdenv.lib.maintainers; [roconnor];
+    homepage    = "http://www.tarsnap.com/";
+    license     = "tarsnap";
+    platforms   = stdenv.lib.platforms.linux;
+    maintainers = with stdenv.lib.maintainers; [ thoughtpolice roconnor ];
   };
 }