diff --git a/controllers/admin/AdminTrackingController.php b/controllers/admin/AdminTrackingController.php
index 8df64d18a..7aab145ce 100644
--- a/controllers/admin/AdminTrackingController.php
+++ b/controllers/admin/AdminTrackingController.php
@@ -73,6 +73,7 @@ class AdminTrackingControllerCore extends AdminController
 		$this->_orderWay = 'DESC';
 		self::$currentIndex = 'index.php?controller=AdminCategories';
 		$this->token = Tools::getAdminTokenLite('AdminCategories');
+		$this->_orderBy = null;
 
 		$this->addRowAction('edit');
 		$this->addRowAction('delete');
@@ -108,6 +109,7 @@ class AdminTrackingControllerCore extends AdminController
 		self::$currentIndex = 'index.php?controller=AdminProducts';
 		$this->token = Tools::getAdminTokenLite('AdminProducts');
 		$this->show_toolbar = false;
+		$this->_orderBy = null;
 
 		$this->addRowAction('edit');
 		$this->addRowAction('delete');
@@ -146,6 +148,7 @@ class AdminTrackingControllerCore extends AdminController
 		$this->show_toolbar = false;
 		self::$currentIndex = 'index.php?controller=AdminProducts';
 		$this->token = Tools::getAdminTokenLite('AdminProducts');
+		$this->_orderBy = null;
 
 		$this->addRowAction('edit');
 		$this->addRowAction('delete');
@@ -187,6 +190,7 @@ class AdminTrackingControllerCore extends AdminController
 		$this->show_toolbar = false;
 		self::$currentIndex = 'index.php?controller=AdminProducts';
 		$this->token = Tools::getAdminTokenLite('AdminProducts');
+		$this->_orderBy = null;
 
 		$this->addRowAction('edit');
 		$this->addRowAction('delete');