diff --git a/modules/wireguard-client/default.nix b/modules/wireguard-client/default.nix
index e02a34a..9a93f17 100644
--- a/modules/wireguard-client/default.nix
+++ b/modules/wireguard-client/default.nix
@@ -6,6 +6,7 @@
   imports = [../wireguard-common];
 
   networking.wireguard.interfaces.wg0 = {
+    mtu = 1200;
     ips = ["${vpn.${config.networking.hostName}.ip}/32"];
     peers = [
       {