diff --git a/pkgs/applications/networking/mailreaders/notmuch/muchsync.nix b/pkgs/applications/networking/mailreaders/notmuch/muchsync.nix
index 284ea1f50c50..17d66ba60439 100644
--- a/pkgs/applications/networking/mailreaders/notmuch/muchsync.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch/muchsync.nix
@@ -4,9 +4,18 @@
 stdenv.mkDerivation rec {
   version = "2";
   name = "muchsync-${version}";
+  passthru = {
+    inherit version;
+  };
   src = fetchurl {
     url = "http://www.muchsync.org/src/${name}.tar.gz";
     sha256 = "1dqp23a043kkzl0g2f4j3m7r7lg303gz7a0fsj0dm5ag3kpvp5f1";
   };
   buildInputs = [ notmuch openssl pkgconfig sqlite xapian ];
+  meta = {
+    description = "Synchronize maildirs and notmuch databases";
+    platforms = stdenv.lib.platforms.unix;
+    maintainers = with stdenv.lib.maintainers; [ ocharles ];
+    license = stdenv.lib.licenses.gpl2Plus;
+  };
 }