diff --git a/hosts/rpi4/services.nix b/hosts/rpi4/services.nix
index 79721bb..7ffe99e 100644
--- a/hosts/rpi4/services.nix
+++ b/hosts/rpi4/services.nix
@@ -32,6 +32,7 @@
           };
         };
         "protogen.io" = {
+          serverAliases = "x.protogen.io";
           useACMEHost = "protogen.io";
           forceSSL = true;
           locations."/" = {