diff --git a/nginx/sites-available/cloud.grupopralog.com.br.conf b/nginx/sites-available/cloud.grupopralog.com.br.conf
index 0b632d2..5fb2367 100644
--- a/nginx/sites-available/cloud.grupopralog.com.br.conf
+++ b/nginx/sites-available/cloud.grupopralog.com.br.conf
@@ -170,6 +170,9 @@ server {
         proxy_set_header      X-Forwarded-Proto $scheme;
         proxy_set_header      Accept-Encoding "";
         proxy_ssl_verify      off;
+        sub_filter 'srvoffice001.itguys.com.br' 'cloud.grupopralog.com.br';
+        sub_filter_once off;
+        sub_filter_types text/xml
     }
 
     # Office Online (WOPI)