diff --git a/back/methods/collection/getTickets.js b/back/methods/collection/getTickets.js
index 196ff0ce6e..1d0daa43aa 100644
--- a/back/methods/collection/getTickets.js
+++ b/back/methods/collection/getTickets.js
@@ -4,10 +4,11 @@ module.exports = Self => {
         description: 'Make a new collection of tickets',
         accessType: 'WRITE',
         accepts: [{
-            arg: 'paramId',
+            arg: 'id',
             type: 'number',
-            description: 'The collection or ticket id',
-            required: true
+            description: 'The collection id',
+            required: true,
+            http: {source: 'path'}
         }, {
             arg: 'print',
             type: 'boolean',
@@ -18,12 +19,12 @@ module.exports = Self => {
             root: true
         },
         http: {
-            path: `/getTickets`,
+            path: `/:id/getTickets`,
             verb: 'POST'
         }
     });
 
-    Self.getTickets = async(ctx, paramId, print, options) => {
+    Self.getTickets = async(ctx, id, print, options) => {
         const userId = ctx.req.accessToken.userId;
         const origin = ctx.req.headers.origin;
         const $t = ctx.req.__; // $translate
@@ -42,7 +43,7 @@ module.exports = Self => {
 
         const promises = [];
         try {
-            const [tickets] = await Self.rawSql(`CALL vn.collection_getTickets(?)`, [paramId], myOptions);
+            const [tickets] = await Self.rawSql(`CALL vn.collection_getTickets(?)`, [id], myOptions);
             const sales = await Self.rawSql(`
                 SELECT
                     s.ticketFk,
@@ -104,14 +105,14 @@ module.exports = Self => {
                     LEFT JOIN saleMistake sm ON sm.saleFk = s.id
                 WHERE tc.collectionFk = ?
                 GROUP BY s.id, p.code, p2.code
-                ORDER BY pickingOrder`, [paramId, paramId], myOptions);
+                ORDER BY pickingOrder`, [id, id], myOptions);
 
             if (print)
-                await Self.rawSql(`CALL vn.collection_printSticker(?, ?)`, [paramId, null], myOptions);
+                await Self.rawSql(`CALL vn.collection_printSticker(?, ?)`, [id, null], myOptions);
 
-            const collection = {collectionFk: paramId, tickets: []};
+            const collection = {collectionFk: id, tickets: []};
             if (tickets && tickets.length) {
-                for (let ticket of tickets) {
+                for (const ticket of tickets) {
                     const ticketId = ticket.ticketFk;
 
                     // SEND ROCKET
@@ -142,26 +143,25 @@ module.exports = Self => {
                         [ticketId], myOptions);
 
                         // BINDINGS
-                        ticket.sales = sales.reduce((acc, sale) => {
-                            if (sale.ticketFk == ticketId) {
+                        ticket.sales = [];
+                        for (const sale of sales) {
+                            if (sale.ticketFk === ticketId) {
                                 sale.Barcodes = [];
+
                                 if (barcodes && barcodes.length) {
-                                    sale.Barcodes = barcodes.reduce((bacc, barcode) => {
-                                        if (barcode.saleFk == sale.saleFk) {
+                                    for (const barcode of barcodes) {
+                                        if (barcode.saleFk === sale.saleFk) {
                                             for (let prop in barcode) {
-                                                if (['id', 'code'].includes(prop) && barcode[prop]) {
-                                                    bacc.push(barcode[prop].toString());
-                                                    bacc.push('0' + barcode[prop]);
-                                                }
+                                                if (['id', 'code'].includes(prop) && barcode[prop])
+                                                    sale.Barcodes.push(barcode[prop].toString(), '0' + barcode[prop]);
                                             }
                                         }
-                                        return bacc;
-                                    }, []);
+                                    }
                                 }
-                                acc.push(sale);
+
+                                ticket.sales.push(sale);
                             }
-                            return acc;
-                        }, []);
+                        }
                     }
                     collection.tickets.push(ticket);
                 }
diff --git a/back/methods/collection/spec/getTickets.spec.js b/back/methods/collection/spec/getTickets.spec.js
index eddbb21b13..e6b9e6a17f 100644
--- a/back/methods/collection/spec/getTickets.spec.js
+++ b/back/methods/collection/spec/getTickets.spec.js
@@ -1,11 +1,39 @@
 const models = require('vn-loopback/server/server').models;
 
 describe('collection getTickets()', () => {
-    it('should return a list of tickets from a collection', async() => {
-        let ctx = {req: {accessToken: {userId: 1107}}};
-        let response = await models.Collection.getCollection(ctx);
+    let ctx;
+    beforeAll(async() => {
+        ctx = {
+            req: {
+                accessToken: {userId: 9},
+                headers: {origin: 'http://localhost'}
+            }
+        };
+    });
 
-        expect(response.length).toBeGreaterThan(0);
-        expect(response[0].collectionFk).toEqual(3);
+    it('should get tickets, sales and barcodes from collection', async() => {
+        const tx = await models.Collection.beginTransaction({});
+
+        try {
+            const options = {transaction: tx};
+            const collectionId = 1;
+
+            const collectionTickets = await models.Collection.getTickets(ctx, collectionId, null, options);
+
+            expect(collectionTickets.collectionFk).toEqual(collectionId);
+            expect(collectionTickets.tickets.length).toEqual(3);
+            expect(collectionTickets.tickets[0].ticketFk).toEqual(1);
+            expect(collectionTickets.tickets[1].ticketFk).toEqual(2);
+            expect(collectionTickets.tickets[2].ticketFk).toEqual(23);
+            expect(collectionTickets.tickets[0].sales[0].ticketFk).toEqual(1);
+            expect(collectionTickets.tickets[0].sales[1].ticketFk).toEqual(1);
+            expect(collectionTickets.tickets[0].sales[2].ticketFk).toEqual(1);
+            expect(collectionTickets.tickets[0].sales[0].Barcodes.length).toBeTruthy();
+
+            await tx.rollback();
+        } catch (e) {
+            await tx.rollback();
+            throw e;
+        }
     });
 });
diff --git a/db/changes/233802/.gitkeep b/db/changes/233802/.gitkeep
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/db/changes/234001/00-collectionGetTicketsACL.sql b/db/changes/233802/00-collectionGetTicketsACL.sql
similarity index 100%
rename from db/changes/234001/00-collectionGetTicketsACL.sql
rename to db/changes/233802/00-collectionGetTicketsACL.sql