diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index 322b592f..f1257da8 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -957,6 +957,9 @@ in
         addSSL = true;
         enableACME = true;
         root = "/var/www/perso";
+        extraConfig = ''
+          autoindex on;
+        '';
       };
       "rt.m-labs.hk" = {
         forceSSL = true;