diff --git a/wireguard.nix b/wireguard.nix
index 737c5a9..c745de8 100644
--- a/wireguard.nix
+++ b/wireguard.nix
@@ -7,7 +7,7 @@
   networking.wg-quick.interfaces = {
     wg0 = {
       address = [config.vars.wg_adress];
-      mtu = 1350;
+      mtu = 1400;
       autostart = true;
       postUp = ''
         ${pkgs.iptables}/bin/iptables -A FORWARD -i wg0 -j ACCEPT