diff --git a/classes/controller/AdminController.php b/classes/controller/AdminController.php
index 94bc96d7d..84feddee9 100644
--- a/classes/controller/AdminController.php
+++ b/classes/controller/AdminController.php
@@ -45,7 +45,7 @@ class AdminControllerCore extends Controller
 	public $template = 'content.tpl';
 
 	/** @var string Associated table name */
-	public $table;
+	public $table = 'configuration';
 
 	public $list_id;
 
diff --git a/classes/helper/HelperForm.php b/classes/helper/HelperForm.php
index 290fb597c..3aa90447f 100644
--- a/classes/helper/HelperForm.php
+++ b/classes/helper/HelperForm.php
@@ -38,7 +38,7 @@ class HelperFormCore extends Helper
 	/** @var array values of form fields */
 	public $fields_value = array();
 
-	public $table = 'Configuration';
+	public $table = 'configuration';
 	public $name_controller = '';
 
 	/** @var string if not null, a title will be added on that list */