diff --git a/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl b/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
index ae06cd235..9d29e9a5d 100644
--- a/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
+++ b/controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl
@@ -331,6 +331,7 @@ http {
             proxy_redirect                          off;
             proxy_buffering                         off;
             proxy_buffer_size                       "{{ $location.Proxy.BufferSize }}";
+            proxy_buffers                           4 "{{ $location.Proxy.BufferSize }}";
 
             proxy_http_version                      1.1;