diff --git a/modules/monitor/back/methods/sales-monitor/salesFilter.js b/modules/monitor/back/methods/sales-monitor/salesFilter.js
index cec8026ffd..b598d79b12 100644
--- a/modules/monitor/back/methods/sales-monitor/salesFilter.js
+++ b/modules/monitor/back/methods/sales-monitor/salesFilter.js
@@ -219,7 +219,7 @@ module.exports = Self => {
                         z.hour AS zoneLanding,
                         z.name AS zoneName,
                         z.id AS zoneFk,
-                        th.preparationHour,
+                        TIME_FORMAT(t.shipped, '%H:%i') AS preparationHour,
                         TIME_FORMAT(z.hour, '%H:%i') AS theoreticalhour,
                         TIME_FORMAT(zed.etc, '%H:%i') AS practicalHour
                     FROM ticket t
@@ -234,11 +234,7 @@ module.exports = Self => {
                         LEFT JOIN client c ON c.id = t.clientFk
                         LEFT JOIN worker wk ON wk.id = c.salesPersonFk
                         LEFT JOIN account.user u ON u.id = wk.userFk
-                        LEFT JOIN zoneEstimatedDelivery zed ON zed.zoneFk = t.zoneFk
-                        JOIN (
-                            SELECT t.id, TIME_FORMAT(t.shipped, '%H:%i') AS preparationHour
-                                FROM ticket AS t
-                        ) AS th ON th.id = t.id`);
+                        LEFT JOIN zoneEstimatedDelivery zed ON zed.zoneFk = t.zoneFk`);
 
         if (args.orderFk) {
             stmt.merge({
diff --git a/modules/monitor/front/index/tickets/index.html b/modules/monitor/front/index/tickets/index.html
index 76127d4f26..45db04ca0e 100644
--- a/modules/monitor/front/index/tickets/index.html
+++ b/modules/monitor/front/index/tickets/index.html
@@ -37,7 +37,7 @@
                 <vn-th field="nickname">Client</vn-th>
                 <vn-th field="salesPersonFk" class="expendable" shrink>Salesperson</vn-th>
                 <vn-th field="shipped" shrink-date>Date</vn-th>
-                <vn-th field="preparationHour">Prep.</vn-th>
+                <vn-th field="preparationHour" filter-enabled="false">Prep.</vn-th>
                 <vn-th field="theoreticalHour">Theoretical</vn-th>
                 <vn-th field="practicalHour">Practical</vn-th>
                 <vn-th field="provinceFk" class="expendable">Province</vn-th>
diff --git a/modules/monitor/front/index/tickets/index.js b/modules/monitor/front/index/tickets/index.js
index a224ecac63..9d8a911e8a 100644
--- a/modules/monitor/front/index/tickets/index.js
+++ b/modules/monitor/front/index/tickets/index.js
@@ -72,8 +72,6 @@ export default class Controller extends Section {
             return {'z.hour': value};
         case 'practicalHour':
             return {'zed.etc': value};
-        case 'preparationHour':
-            return {'th.preparationHour': value};
         case 'shipped':
             return {'t.shipped': {
                 between: this.dateRange(value)}