diff --git a/manifests/init.pp b/manifests/init.pp
index 5b09820..35e2aa0 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -287,6 +287,8 @@ class mastodon (
     'ES_HOST'         => '127.0.0.1',
     'ES_PORT'         => '9200',
     'ES_PRESET'       => '',
+    'ES_USER'         => '',
+    'ES_PASS'         => '',
   }
   $real_config = $config + $built_config
   file { "${mastodon_home}/live/.env.production":