diff --git a/server/src/api/binary_cache.rs b/server/src/api/binary_cache.rs
index 02e4857..b522154 100644
--- a/server/src/api/binary_cache.rs
+++ b/server/src/api/binary_cache.rs
@@ -215,7 +215,7 @@ async fn get_nar(
         let chunk = chunks[0].as_ref().unwrap();
         let remote_file = &chunk.remote_file.0;
         let storage = state.storage().await?;
-        match storage.download_file_db(remote_file, false).await? {
+        match storage.download_file_db(remote_file, true).await? {
             Download::Url(url) => Ok(Redirect::temporary(&url).into_response()),
             Download::AsyncRead(stream) => {
                 let stream = ReaderStream::new(stream).map_err(|e| {
@@ -262,7 +262,7 @@ async fn get_nar(
 
         // TODO: Make num_prefetch configurable
         // The ideal size depends on the average chunk size
-        let merged = merge_chunks(chunks, streamer, storage, 2).map_err(|e| {
+        let merged = merge_chunks(chunks, streamer, storage, 32).map_err(|e| {
             tracing::error!(%e, "Stream error");
             e
         });