diff --git a/services/ticket/common/models/specs/ticket-tracking.spec.js b/services/ticket/common/models/specs/ticket-tracking.spec.js
new file mode 100644
index 000000000..961d1732c
--- /dev/null
+++ b/services/ticket/common/models/specs/ticket-tracking.spec.js
@@ -0,0 +1,24 @@
+const app = require(`${servicesDir}/ticket/server/server`);
+
+describe('ticket model TicketTracking', () => {
+    let ticketTrackingId;
+
+    afterAll(async() => {
+        await app.models.TicketTracking.destroyById(ticketTrackingId);
+    });
+
+    it('should store the worker id into the instance', async() => {
+        let originalTrackings = await app.models.TicketTracking.find({where: {ticketFk: 1}});
+
+        expect(originalTrackings.length).toEqual(1);
+
+        await app.models.TicketTracking.create({ticketFk: 1, stateFk: 20});
+        let result = await app.models.TicketTracking.find({where: {ticketFk: 1}});
+
+        let workerFk = result[1].workerFk;
+        ticketTrackingId = result[1].id;
+
+        expect(result.length).toEqual(2);
+        expect(workerFk).toEqual(1);
+    });
+});
diff --git a/services/ticket/common/models/ticket-tracking.js b/services/ticket/common/models/ticket-tracking.js
index 5875a7816..45acf7f90 100644
--- a/services/ticket/common/models/ticket-tracking.js
+++ b/services/ticket/common/models/ticket-tracking.js
@@ -6,9 +6,9 @@ module.exports = function(Self) {
     Self.observe('before save', async function(ctx) {
         let models = Self.app.models;
         let token = ctx.options.accessToken;
-        let userId = token && token.userId;
+        let currentUserId = token && token.userId;
 
-        let user = await models.Worker.findOne({where: {userFk: userId}});
-        ctx.instance.workerFk = user.id;
+        let worker = await models.Worker.findOne({where: {userFk: currentUserId}});
+        ctx.instance.workerFk = worker.id;
     });
 };