diff --git a/controllers/admin/AdminOrdersController.php b/controllers/admin/AdminOrdersController.php
index ace92cb6d..d9704a34d 100755
--- a/controllers/admin/AdminOrdersController.php
+++ b/controllers/admin/AdminOrdersController.php
@@ -1970,8 +1970,8 @@ class AdminOrdersControllerCore extends AdminController
 	{
 		$res = true;
 
-		$order_detail = new OrderDetail(Tools::getValue('id_order_detail'));
-		$order = new Order(Tools::getValue('id_order'));
+		$order_detail = new OrderDetail((int)Tools::getValue('id_order_detail'));
+		$order = new Order((int)Tools::getValue('id_order'));
 
 		$this->doDeleteProductLineValidation($order_detail, $order);
 
@@ -1994,6 +1994,9 @@ class AdminOrdersControllerCore extends AdminController
 		$order->total_products_wt -= $order_detail->total_price_tax_incl;
 
 		$res &= $order->update();
+		
+		// Reinject quantity in stock
+		$this->reinjectQuantity($order_detail, $order_detail->product_quantity);
 
 		// Delete OrderDetail
 		$res &= $order_detail->delete();