diff --git a/broker/nginx/imserver.conf b/broker/nginx/imserver.conf
index 98bc2dff..2fc484b1 100644
--- a/broker/nginx/imserver.conf
+++ b/broker/nginx/imserver.conf
@@ -29,6 +29,10 @@ server {
     }
 
     location /fs {
+        client_max_body_size 200M;
+        proxy_set_header  Host  $host;
+        proxy_set_header  X-real-ip $remote_addr;
+        proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_pass  http://imserver;
     }