diff --git a/modules/claim/back/methods/claim-beginning/importToNewRefundTicket.js b/modules/claim/back/methods/claim-beginning/importToNewRefundTicket.js
index a01590f58..393c3b10d 100644
--- a/modules/claim/back/methods/claim-beginning/importToNewRefundTicket.js
+++ b/modules/claim/back/methods/claim-beginning/importToNewRefundTicket.js
@@ -120,7 +120,7 @@ module.exports = Self => {
                 observationTypeFk: obsevationType.id
             }, myOptions);
 
-            await models.TicketTracking.create({
+            await models.Ticket.state(ctx, {
                 ticketFk: newRefundTicket.id,
                 stateFk: state.id,
                 userFk: worker.id
diff --git a/modules/ticket/back/methods/ticket-tracking/setDelivered.js b/modules/ticket/back/methods/ticket-tracking/setDelivered.js
index d3cdb192f..eded63d11 100644
--- a/modules/ticket/back/methods/ticket-tracking/setDelivered.js
+++ b/modules/ticket/back/methods/ticket-tracking/setDelivered.js
@@ -49,7 +49,7 @@ module.exports = Self => {
             for (const id of ticketIds) {
                 const promise = await models.Ticket.state(ctx, {
                     stateFk: state.id,
-                    workerFk: worker.id,
+                    userFk: worker.id,
                     ticketFk: id
                 }, myOptions);
                 promises.push(promise);
diff --git a/modules/ticket/back/methods/ticket/saveSign.js b/modules/ticket/back/methods/ticket/saveSign.js
index 9888328e7..e062e6f84 100644
--- a/modules/ticket/back/methods/ticket/saveSign.js
+++ b/modules/ticket/back/methods/ticket/saveSign.js
@@ -130,7 +130,17 @@ module.exports = Self => {
                 await models.TicketDms.create({ticketFk: ticketId, dmsFk: dms[0].id}, myOptions);
                 const ticket = await models.Ticket.findById(ticketId, null, myOptions);
                 await ticket.updateAttribute('isSigned', true, myOptions);
-                await Self.rawSql(`CALL vn.ticket_setState(?, ?)`, [ticketId, 'DELIVERED'], myOptions);
+
+                const deliveryState = await models.State.find({
+                    where: {
+                        code: 'DELIVERED'
+                    }
+                }, options);
+
+                await models.Ticket.state(ctx, {
+                    ticketFk: ticketId,
+                    stateFk: deliveryState.id
+                }, myOptions);
             }
 
             if (tx) await tx.commit();
diff --git a/modules/ticket/back/methods/ticket/specs/state.spec.js b/modules/ticket/back/methods/ticket/specs/state.spec.js
index f369932de..947e72b79 100644
--- a/modules/ticket/back/methods/ticket/specs/state.spec.js
+++ b/modules/ticket/back/methods/ticket/specs/state.spec.js
@@ -45,9 +45,8 @@ describe('ticket state()', () => {
             const options = {transaction: tx};
 
             activeCtx.accessToken.userId = salesPersonId;
-            const params = {ticketFk: 2, stateFk: 3};
 
-            await models.Ticket.state(ctx, params, options);
+            await models.Ticket.state(ctx, {ticketFk: 2, stateFk: 3}, options);
 
             await tx.rollback();
         } catch (e) {
@@ -67,9 +66,8 @@ describe('ticket state()', () => {
             const options = {transaction: tx};
 
             activeCtx.accessToken.userId = employeeId;
-            const params = {ticketFk: 11, stateFk: 13};
 
-            await models.Ticket.state(ctx, params, options);
+            await models.Ticket.state(ctx, {ticketFk: 11, stateFk: 13}, options);
 
             await tx.rollback();
         } catch (e) {
diff --git a/modules/ticket/back/methods/ticket/state.js b/modules/ticket/back/methods/ticket/state.js
index adac2e42f..fea9475f8 100644
--- a/modules/ticket/back/methods/ticket/state.js
+++ b/modules/ticket/back/methods/ticket/state.js
@@ -7,7 +7,6 @@ module.exports = Self => {
         accepts: [
             {
                 arg: 'data',
-                description: 'Model instance data',
                 type: 'Object',
                 required: true,
                 http: {source: 'body'}
@@ -37,25 +36,21 @@ module.exports = Self => {
         }
 
         try {
-            const userId = ctx.req.accessToken.userId;
-
             if (!params.stateFk && !params.code)
                 throw new UserError('State cannot be blank');
 
-            if (params.code) {
-                const state = await models.State.findOne({
-                    where: {code: params.code},
-                    fields: ['id']
-                }, myOptions);
-
-                params.stateFk = state.id;
+            if (params.stateFk) {
+                const {code} = await models.State.findById(params.stateFk, {fields: ['code']}, myOptions);
+                params.code = code;
+            } else {
+                const {id} = await models.State.findOne({where: {code: params.code}}, myOptions);
+                params.stateFk = id;
             }
 
             if (!params.userFk) {
                 const worker = await models.Worker.findOne({
-                    where: {id: userId}
+                    where: {id: ctx.req.accessToken.userId}
                 }, myOptions);
-
                 params.userFk = worker.id;
             }
 
@@ -63,17 +58,21 @@ module.exports = Self => {
                 fields: ['stateFk']
             }, myOptions);
 
-            let oldStateAllowed;
-            if (ticketState)
-                oldStateAllowed = await models.State.isEditable(ctx, ticketState.stateFk, myOptions);
+            const oldStateAllowed = ticketState && await models.State.isEditable(ctx, ticketState.stateFk, myOptions);
             const newStateAllowed = await models.State.isEditable(ctx, params.stateFk, myOptions);
 
-            const isAllowed = (!ticketState || oldStateAllowed == true) && newStateAllowed == true;
-
-            if (!isAllowed)
+            if ((ticketState && !oldStateAllowed) || !newStateAllowed)
                 throw new UserError(`You don't have enough privileges`, 'ACCESS_DENIED');
 
-            const ticketTracking = await models.TicketTracking.create(params, myOptions);
+            await Self.rawSql(`CALL vn.ticket_setState(?, ?)`, [params.ticketFk, params.code], myOptions);
+
+            const ticketTracking = await models.TicketTracking.findOne({
+                where: {ticketFk: params.ticketFk},
+                order: 'id DESC',
+                limit: 1
+            }, myOptions);
+
+            await ticketTracking.updateAttribute('userFk', params.userFk, myOptions);
 
             if (tx) await tx.commit();
 
diff --git a/modules/zone/back/methods/zone/deleteZone.js b/modules/zone/back/methods/zone/deleteZone.js
index 38e724cd3..a75302703 100644
--- a/modules/zone/back/methods/zone/deleteZone.js
+++ b/modules/zone/back/methods/zone/deleteZone.js
@@ -61,7 +61,7 @@ module.exports = Self => {
 
             for (ticket of ticketList) {
                 if (ticket.ticketState().alertLevel == 0) {
-                    promises.push(models.TicketTracking.create({
+                    promises.push(models.Ticket.state(ctx, {
                         ticketFk: ticket.id,
                         stateFk: fixingState.id,
                         userFk: worker.id