diff --git a/modules/ticket/back/methods/sale/updateQuantity.js b/modules/ticket/back/methods/sale/updateQuantity.js
index 1a497da24..610826283 100644
--- a/modules/ticket/back/methods/sale/updateQuantity.js
+++ b/modules/ticket/back/methods/sale/updateQuantity.js
@@ -64,7 +64,10 @@ module.exports = Self => {
             const sale = await models.Sale.findById(id, filter, myOptions);
 
             const oldQuantity = sale.quantity;
-            const result = await sale.updateAttributes({quantity: newQuantity}, myOptions);
+            const result = await sale.updateAttributes({
+                quantity: newQuantity,
+                originalQuantity: newQuantity
+            }, myOptions);
 
             const salesPerson = sale.ticket().client().salesPersonUser();
             if (salesPerson) {