diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index d0a42d9c..4fdca59b 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -17,7 +17,7 @@ http {
     charset_types text/css text/javascript text/plain text/xml application/atom+xml;
 
     sendfile on;
-    sendfile_max_chunk 512k;
+    sendfile_max_chunk 256k;
     tcp_nopush on;
     keepalive_requests 256;
     keepalive_timeout 3m;