diff --git a/pkgs/applications/misc/tnef/default.nix b/pkgs/applications/misc/tnef/default.nix
index 604c9f59e601..6ed6cc37fa0f 100644
--- a/pkgs/applications/misc/tnef/default.nix
+++ b/pkgs/applications/misc/tnef/default.nix
@@ -1,13 +1,13 @@
-{ stdenv, fetchFromGitHub, lib, autoreconfHook }:
+{ stdenv, fetchFromGitHub, autoreconfHook }:
 
 stdenv.mkDerivation rec {
   version = "1.4.14";
   name = "tnef-${version}";
 
   src = fetchFromGitHub {
-    owner = "verdammelt";
-    repo = "tnef";
-    rev = "${version}";
+    owner  = "verdammelt";
+    repo   = "tnef";
+    rev    = version;
     sha256 = "0p7yji5hqq7k4pcba1cnv4jkl0fkg7jd77c1q164wk0vwinpmsc2";
   };
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook ];
 
-  meta = with lib; {
+  meta = with stdenv.lib; {
     description = "Unpacks MIME attachments of type application/ms-tnef";
     longDescription = ''
       TNEF is a program for unpacking MIME attachments of type "application/ms-tnef". This is a Microsoft only attachment.
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     '';
     homepage = https://github.com/verdammelt/tnef;
     license = licenses.gpl2;
-    maintainers = [ ];
+    maintainers = [ peterhoeg ];
     platforms = platforms.all;
   };
 }