diff --git a/cloud/objstore/objutil/uploader.go b/cloud/objstore/objutil/uploader.go
index 55656b6..fb9ccb8 100644
--- a/cloud/objstore/objutil/uploader.go
+++ b/cloud/objstore/objutil/uploader.go
@@ -114,7 +114,7 @@ func NewMPUploader(opts MPUploaderOptions) (*MPUploader, error) {
 	}
 
 	// Only create the pool after successfully creating the multipart upload to avoid having to handle cleanup
-	uploader.pool = hofp.NewPool(hofp.Options{LogPrefix: "(objutil)"})
+	uploader.pool = hofp.NewPool(hofp.Options{LogPrefix: "(objutil)", Size: 1})
 
 	return uploader, nil
 }