diff --git a/pkgs/applications/networking/p2p/gnunet/default.nix b/pkgs/applications/networking/p2p/gnunet/default.nix
index 6f69b8c7ca1..70d1ed4afde 100644
--- a/pkgs/applications/networking/p2p/gnunet/default.nix
+++ b/pkgs/applications/networking/p2p/gnunet/default.nix
@@ -80,5 +80,6 @@ in
       license = "GPLv2+";
 
       maintainers = [ stdenv.lib.maintainers.ludo ];
+      platforms = stdenv.lib.platforms.gnu;
     };
   }