diff --git a/systems/x86_64-linux/mx/mailserver.nix b/systems/x86_64-linux/mx/mailserver.nix
index 47d616a..83a7817 100644
--- a/systems/x86_64-linux/mx/mailserver.nix
+++ b/systems/x86_64-linux/mx/mailserver.nix
@@ -1,12 +1,14 @@
-{ pkgs
-, lib
-, config
-, ...
+{
+  pkgs,
+  lib,
+  config,
+  ...
 }:
 {
   # email addresses git smudged
   mailserver = {
     enable = true;
+    stateVersion = 1;
     fqdn = "mx.surfsite.org";
     sendingFqdn = "mx.surfsite.org";
     certificateScheme = "acme";