diff --git a/mastodon.nix b/mastodon.nix
index 984acc1..b2d91ce 100644
--- a/mastodon.nix
+++ b/mastodon.nix
@@ -175,6 +175,7 @@ in {
       S3_HOSTNAME = "s3.eu-central-1.wasabisys.com";
       S3_ENDPOINT = "https://s3.eu-central-1.wasabisys.com/lor-sh";
       S3_ALIAS_HOST = "s3.eu-central-1.wasabisys.com/lor-sh/lor-sh";
+      S3_FORCE_SINGLE_REQUEST = "true";
       AWS_ACCESS_KEY_ID = secrets.AWS_ACCESS_KEY_ID;
       AWS_SECRET_ACCESS_KEY = secrets.AWS_SECRET_ACCESS_KEY;