diff --git a/modules/claim/back/methods/claim/regularizeClaim.js b/modules/claim/back/methods/claim/regularizeClaim.js
index 01edc17d97..ab8ea58a44 100644
--- a/modules/claim/back/methods/claim/regularizeClaim.js
+++ b/modules/claim/back/methods/claim/regularizeClaim.js
@@ -90,7 +90,7 @@ module.exports = Self => {
                     ticketFk: ticketFk,
                     itemFk: sale.itemFk,
                     concept: sale.concept,
-                    quantity: sale.quantity,
+                    quantity: -sale.quantity,
                     price: sale.price,
                     discount: 100
                 }, myOptions);