diff --git a/conf/nginx.conf.template b/conf/nginx.conf.template
index 49a1b4c..c8fb620 100644
--- a/conf/nginx.conf.template
+++ b/conf/nginx.conf.template
@@ -7,6 +7,7 @@ location YNH_WWW_PATH {
   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_set_header Accept 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8';
 
   # Include SSOWAT user panel.
   include conf.d/yunohost_panel.conf.inc;