diff --git a/data-model/nginx/nginx.conf b/data-model/nginx/nginx.conf
index 874b4ba..b9211de 100644
--- a/data-model/nginx/nginx.conf
+++ b/data-model/nginx/nginx.conf
@@ -14,6 +14,8 @@ http {
 
         location / {
           autoindex on;
+          default_type application/json;
+          charset utf-8;
         }
   }
 }