diff --git a/includes/serve-static b/includes/serve-static
index d0de994faa..4ba9e27977 100644
--- a/includes/serve-static
+++ b/includes/serve-static
@@ -1,3 +1,5 @@
 include includes/headers;
 sendfile on;
+sendfile_max_chunk 1m;
 aio threads;
+directio 4m;