diff --git a/config/config.php b/config/config.php
index d5776eef..8cc7c38a 100644
--- a/config/config.php
+++ b/config/config.php
@@ -22,6 +22,7 @@ return (new ConfigAggregator\ConfigAggregator([
     CLI\ConfigProvider::class,
     Rest\ConfigProvider::class,
     EventDispatcher\ConfigProvider::class,
+    PreviewGenerator\ConfigProvider::class,
     new ConfigAggregator\PhpFileProvider('config/autoload/{{,*.}global,{,*.}local}.php'),
     env('APP_ENV') === 'test'
         ? new ConfigAggregator\PhpFileProvider('config/test/*.global.php')