diff --git a/default.conf b/default.conf
index deff7fa..6bdd7ec 100644
--- a/default.conf
+++ b/default.conf
@@ -50,7 +50,7 @@ server {
   location /heruvym/ {
     add_header Access-Control-Allow-Origin $http_origin always;
     add_header Access-Control-Allow-Credentials true always;
-    add_header Access-Control-Allow-Headers content-type,authorization always;
+    add_header Access-Control-Allow-Headers content-type,authorization,sess always;
     add_header Access-Control-Allow-Methods OPTIONS,GET,POST,PATCH,PUT,DELETE;
     proxy_set_header Referer $host;
     proxy_set_header Origin $http_origin;