diff --git a/nixos/machines/robi/nextcloud.nix b/nixos/machines/robi/nextcloud.nix
index dc99b29..b5e6383 100644
--- a/nixos/machines/robi/nextcloud.nix
+++ b/nixos/machines/robi/nextcloud.nix
@@ -56,6 +56,7 @@ in
               sub_filter "http://nextcloud.ingolf-wagner.de" "https://nextcloud.ingolf-wagner.de";
               # used for view/edit office file via Office Online Server
               client_max_body_size 0;
+              proxy_buffering off;  # to download files bigger than 1GB
             '';
           };
           "= /.well-known/carddav" = {