diff --git a/pkgs/tools/networking/p2p/rtorrent/default.nix b/pkgs/tools/networking/p2p/rtorrent/default.nix
index 6ab462ac5a8..30e8089fb24 100644
--- a/pkgs/tools/networking/p2p/rtorrent/default.nix
+++ b/pkgs/tools/networking/p2p/rtorrent/default.nix
@@ -47,5 +47,6 @@ stdenv.mkDerivation rec {
 
     platforms = platforms.unix;
     maintainers = with maintainers; [ ebzzry codyopel ];
+    license = licenses.gpl2Plus;
   };
 }