diff --git a/conf/endpoint.nginx.conf b/conf/endpoint.nginx.conf
index d7b771b..c942f6e 100644
--- a/conf/endpoint.nginx.conf
+++ b/conf/endpoint.nginx.conf
@@ -5,4 +5,6 @@ location /_synapse/admin {
         proxy_set_header Host $host;
 
         client_max_body_size 100M;
+        
+        more_set_headers "Access-Control-Allow-Origin: __DOMAIN__";
 }