diff --git a/hosts/TITAN/extras/fbi-downloader.nix b/hosts/TITAN/extras/fbi-downloader.nix
index eed845a..791af8a 100644
--- a/hosts/TITAN/extras/fbi-downloader.nix
+++ b/hosts/TITAN/extras/fbi-downloader.nix
@@ -1,4 +1,4 @@
-{ config, ... }:
+{ config, pkgs, ... }:
 
 {
   age.secrets = {
@@ -56,6 +56,7 @@
       ips = [ "10.150.0.2/24" ];
       privateKeyFile = config.age.secrets.wireguard-key-upload.path;
       allowedIPsAsRoutes = true;
+      postSetup = "${pkgs.iproute2}/bin/ip link set mtu 1200 wgupload";
       peers = [
         {
           publicKey = "apKXnlMtcOe8WqCVXJAXEjzppN+qTmESlt0NjMTaclQ=";