diff --git a/conf/install-config.yml.default b/conf/install-config.yml.default
index 91951b3..98f6865 100644
--- a/conf/install-config.yml.default
+++ b/conf/install-config.yml.default
@@ -30,7 +30,7 @@ installer:
     server:
         cookie_secure: true
         server_protocol: https://
-        force_server_vars: false
+        force_server_vars: true
         server_name: __DOMAIN__
         server_port: 443
         script_path: __PATH_URL__