diff --git a/client/modules/crm/src/views/calendar/calendar.js b/client/modules/crm/src/views/calendar/calendar.js
index 96ad8558d2..c8cfc0b65c 100644
--- a/client/modules/crm/src/views/calendar/calendar.js
+++ b/client/modules/crm/src/views/calendar/calendar.js
@@ -238,7 +238,7 @@ Espo.define('crm:views/calendar/calendar', ['view', 'lib!full-calendar'], functi
                 if (!o.dateStartDate) {
                     event.start = this.getDateTime().toMoment(o.dateStart);
                 } else {
-                    event.start = this.getDateTime().toMoment(o.dateStartDate);
+                    event.start = this.getDateTime().toMomentDate(o.dateStartDate);
                 }
             }
             if (o.dateEnd) {