diff --git a/src/Adapter/MySQL.php b/src/Adapter/MySQL.php
index 870d2f32c..b2b2d1a41 100644
--- a/src/Adapter/MySQL.php
+++ b/src/Adapter/MySQL.php
@@ -299,12 +299,12 @@ protected function getFieldMapping()
                 'dependencyField' => 'nleft',
             ],
             'sales' => [
-                'tableName' => 'product_sale',
+                'tableName' => 'product',
                 'tableAlias' => 'psales',
-                'fieldName' => 'quantity',
+                'fieldName' => 'cantidad_vendida',
                 'fieldAlias' => 'sales',
                 'joinCondition' => '(psales.id_product = p.id_product)',
-                'joinType' => self::LEFT_JOIN,
+                'joinType' => self::INNER_JOIN,
             ],
             'reduction' => [
                 'tableName' => 'specific_price',