diff --git a/classes/order/OrderInvoice.php b/classes/order/OrderInvoice.php
index 31614f2c5..951b462fe 100644
--- a/classes/order/OrderInvoice.php
+++ b/classes/order/OrderInvoice.php
@@ -301,7 +301,7 @@ class OrderInvoiceCore extends ObjectModel
 		{
 			// sum by order details in order to retrieve real taxes rate
 			$taxes_infos = Db::getInstance()->executeS('
-			SELECT odt.`id_order_detail`, t.`rate` AS `name`, SUM(od.`total_price_tax_excl`) AS total_price_tax_excl, SUM(t.`rate`) AS rate, SUM(`total_amount`) AS `total_amount`, od.`ecotax`, od.`ecotax_tax_rate`, od.`product_quantity`
+			SELECT odt.`id_order_detail`, t.`rate` AS `name`, od.`total_price_tax_excl` AS total_price_tax_excl, SUM(t.`rate`) AS rate, SUM(`total_amount`) AS `total_amount`, od.`ecotax`, od.`ecotax_tax_rate`, od.`product_quantity`
 			FROM `'._DB_PREFIX_.'order_detail_tax` odt
 			LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = odt.`id_tax`)
 			LEFT JOIN `'._DB_PREFIX_.'order_detail` od ON (od.`id_order_detail` = odt.`id_order_detail`)