diff --git a/loopback/locale/en.json b/loopback/locale/en.json
index 36da9f661..acc4ba39d 100644
--- a/loopback/locale/en.json
+++ b/loopback/locale/en.json
@@ -66,7 +66,8 @@
 	"MESSAGE_INSURANCE_CHANGE": "I have changed the insurence credit of client [{{clientName}} ({{clientId}})]({{{url}}}) to *{{credit}} €*",
 	"Changed client paymethod": "I have changed the pay method for client [{{clientName}} ({{clientId}})]({{{url}}})",
 	"Sent units from ticket": "I sent *{{quantity}}* units of [{{concept}} ({{itemId}})]({{{itemUrl}}}) to *\"{{nickname}}\"* coming from ticket id [{{ticketId}}]({{{ticketUrl}}})",
-	"Claim will be picked": "The product from the claim [({{claimId}})]({{{claimUrl}}}) from the client *{{clientName}}* will be picked",
+	"Change quantity": "{{concept}} change of {{oldQuantity}} to {{newQuantity}}",
+    "Claim will be picked": "The product from the claim [({{claimId}})]({{{claimUrl}}}) from the client *{{clientName}}* will be picked",
 	"Claim state has changed to incomplete": "The state of the claim [({{claimId}})]({{{claimUrl}}}) from client *{{clientName}}* has changed to *incomplete*",
 	"Claim state has changed to canceled": "The state of the claim [({{claimId}})]({{{claimUrl}}}) from client *{{clientName}}* has changed to *canceled*",
 	"Customs agent is required for a non UEE member": "Customs agent is required for a non UEE member",
diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index 747007713..98fc9a3c6 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -134,7 +134,8 @@
 	"MESSAGE_INSURANCE_CHANGE": "He cambiado el crédito asegurado del cliente [{{clientName}} ({{clientId}})]({{{url}}}) a *{{credit}} €*",
 	"Changed client paymethod": "He cambiado la forma de pago del cliente [{{clientName}} ({{clientId}})]({{{url}}})",
 	"Sent units from ticket": "Envio *{{quantity}}* unidades de [{{concept}} ({{itemId}})]({{{itemUrl}}}) a *\"{{nickname}}\"* provenientes del ticket id [{{ticketId}}]({{{ticketUrl}}})",
-	"Claim will be picked": "Se recogerá el género de la reclamación [({{claimId}})]({{{claimUrl}}}) del cliente *{{clientName}}*",
+	"Change quantity": "{{concept}} cambia de {{oldQuantity}} a {{newQuantity}}",
+    "Claim will be picked": "Se recogerá el género de la reclamación [({{claimId}})]({{{claimUrl}}}) del cliente *{{clientName}}*",
 	"Claim state has changed to incomplete": "Se ha cambiado el estado de la reclamación [({{claimId}})]({{{claimUrl}}}) del cliente *{{clientName}}* a *incompleta*",
 	"Claim state has changed to canceled": "Se ha cambiado el estado de la reclamación [({{claimId}})]({{{claimUrl}}}) del cliente *{{clientName}}* a *anulado*",
 	"Client checked as validated despite of duplication": "Cliente comprobado a pesar de que existe el cliente id {{clientId}}",
diff --git a/modules/ticket/back/methods/ticket-log/getChanges.js b/modules/ticket/back/methods/ticket-log/getChanges.js
index bb40a66d8..d020a0957 100644
--- a/modules/ticket/back/methods/ticket-log/getChanges.js
+++ b/modules/ticket/back/methods/ticket-log/getChanges.js
@@ -22,29 +22,42 @@ module.exports = Self => {
     Self.getChanges = async(ctx, id, options) => {
         const models = Self.app.models;
         const myOptions = {};
+        const $t = ctx.req.__; // $translate
 
         if (typeof options == 'object')
             Object.assign(myOptions, options);
 
-        const ticketLogs = await models.TicketLog.find({where: {originFk: id}}, myOptions);
+        const ticketLogs = await models.TicketLog.find(
+            {
+                where: {
+                    and: [
+                        {originFk: id},
+                        {action: 'update'},
+                        {changedModel: 'Sale'}
+                    ]
+                },
+                fields: [
+                    'oldInstance',
+                    'newInstance',
+                    'changedModelId'
+                ],
+            }, myOptions);
 
         const changes = [];
         for (const ticketLog of ticketLogs) {
-            const isUpdate = ticketLog.action == 'update';
+            const oldQuantity = ticketLog.oldInstance.quantity;
+            const newQuantity = ticketLog.newInstance.quantity;
 
-            if (ticketLog.description && isUpdate)
-                changes.push(ticketLog.description);
-
-            const oldQuantity = ticketLog.oldInstance ? ticketLog.oldInstance.quantity : null;
-            const newQuantity = ticketLog.newInstance ? ticketLog.newInstance.quantity : null;
-
-            if (ticketLog.changedModel == 'Sale' && isUpdate && ticketLog.newInstance.quantity) {
+            if (oldQuantity || newQuantity) {
                 const sale = await models.Sale.findById(ticketLog.changedModelId, null, myOptions);
-                changes.push(`${sale.concept} cambia de ${oldQuantity} a ${newQuantity}`);
-            }
+                const message = $t('Change quantity', {
+                    concept: sale.concept,
+                    oldQuantity: oldQuantity || 0,
+                    newQuantity: newQuantity || 0,
+                });
 
-            if (ticketLog.changedModel == 'Ticket' && isUpdate && ticketLog.newInstance.quantity)
-                changes.push(`${ticketLog.oldInstance.concept} cambia de ${oldQuantity} a ${newQuantity}`);
+                changes.push(message);
+            }
         }
         return changes.join('\n');
     };