diff --git a/nixos/boxes/vpsfree1/rss.nix b/nixos/boxes/vpsfree1/rss.nix
index 9dfeaaf8..51b11abf 100644
--- a/nixos/boxes/vpsfree1/rss.nix
+++ b/nixos/boxes/vpsfree1/rss.nix
@@ -32,6 +32,7 @@ in {
           selfUrlPath = "https://${domain}";
           virtualHost = null;
           registration.enable = false;
+          simpleUpdateMode = true;
         };
         services.nginx = {
           enable = true;