diff --git a/nginx.conf b/nginx.conf
index ef76549cd..c976bc47a 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -205,6 +205,7 @@ location ~ ^/(index|get|static|errors/report|errors/404|errors/503|health_check)
     try_files $uri =404;
     fastcgi_pass   fastcgi_backend;
     fastcgi_buffers 1024 4k;
+    fastcgi_buffer_size 256k;
 
     fastcgi_param  PHP_FLAG  "session.auto_start=off \n suhosin.session.cryptua=off";
     fastcgi_param  PHP_VALUE "memory_limit=756M \n max_execution_time=18000";