diff --git a/config/app_config.yml b/config/app_config.yml
index e0aef6e..874c4b4 100644
--- a/config/app_config.yml
+++ b/config/app_config.yml
@@ -29,7 +29,7 @@ defaults: &defaults
   #   - foo.bar
   #   - carto.dev
   account_path:       '/account'
-  vizjson_cache_domains: ['.localhost.lan']
+  vizjson_cache_domains: ['.localhost']
   data_library:
     username:         'common-data'
     path:             '/data-library'