diff --git a/nixos/modules/services/web-servers/rustus.nix b/nixos/modules/services/web-servers/rustus.nix
index 95c9a6455579..878d790e3666 100644
--- a/nixos/modules/services/web-servers/rustus.nix
+++ b/nixos/modules/services/web-servers/rustus.nix
@@ -226,6 +226,10 @@ in
       serviceConfig = {
         ExecStart = "${pkgs.rustus}/bin/rustus";
         StateDirectory = "rustus";
+        # User name is defined here to enable restoring a backup for example
+        # You will run the backup restore command as sudo -u rustus in order
+        # to have write permissions to /var/lib
+        User = "rustus";
         DynamicUser = true;
         LoadCredential = lib.optionals isHybridS3 [
           "S3_ACCESS_KEY_PATH:${cfg.storage.s3_access_key_file}"