diff --git a/TemplateEnginePug.module.php b/TemplateEnginePug.module.php
index 6089797..2662b72 100755
--- a/TemplateEnginePug.module.php
+++ b/TemplateEnginePug.module.php
@@ -16,8 +16,9 @@ class TemplateEnginePug extends WireData implements Module, ConfigurableModule
         'template_files_suffix' => 'pug',
         'api_vars_available' => 1,
         'pretty' => 0,
-        'debug' => 0,
+        'debug' => 1,
         'profiler' => 0,
+        'optimizer' => 0,
     ];
 
     public function __construct()
@@ -36,7 +37,7 @@ public static function getModuleInfo()
         return [
             'title' => 'Template Engine Pug',
             'summary' => 'Pug templates for the TemplateEngineFactory',
-            'version' => 201,
+            'version' => 203,
             'author' => 'Diktus Dreibholz',
             'href' => 'https://github.com/dreerr/TemplateEnginePug/',
             'singular' => true,
@@ -115,6 +116,13 @@ public static function getModuleConfigInputfields(array $data)
         $field->checked = (bool) $data['profiler'];
         $wrapper->append($field);
 
+        $field = $modules->get('InputfieldCheckbox');
+        $field->label = __('Use Optimizer');
+        $field->description = __('The Optimizer is a tool that avoid to load the Phug engine if a file is available in the cache.');
+        $field->name = 'optimizer';
+        $field->checked = (bool) $data['optimizer'];
+        $wrapper->append($field);
+
         return $wrapper;
     }
 }