diff --git a/sites-available/elastic.kevinmidboe.conf b/sites-available/elastic.kevinmidboe.conf
index bbae291..546d9ef 100644
--- a/sites-available/elastic.kevinmidboe.conf
+++ b/sites-available/elastic.kevinmidboe.conf
@@ -35,6 +35,7 @@ server {
     if ($request_method = 'OPTIONS') {
       add_header 'Access-Control-Allow-Origin' 'https://kevinmidboe.com';
       add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+      add_header 'Access-Control-Allow-Headers' 'Content-Type, Content-Length';
       add_header 'Content-Type' 'application/json; charset=utf-8';
       add_header 'Content-Length' 0;
       return 204;