diff --git a/pkgs/tools/networking/quicktun/default.nix b/pkgs/tools/networking/quicktun/default.nix
index ceee8cca1aae..3d7dc68e3578 100644
--- a/pkgs/tools/networking/quicktun/default.nix
+++ b/pkgs/tools/networking/quicktun/default.nix
@@ -27,5 +27,6 @@ stdenv.mkDerivation rec {
     homepage = http://wiki.ucis.nl/QuickTun;
     maintainers = [ maintainers.fpletz ];
     platforms = platforms.unix;
+    license = licenses.bsd2;
   };
 }