diff --git a/addons/hr_homeworking/static/src/calendar/common/calendar_model.js b/addons/hr_homeworking/static/src/calendar/common/calendar_model.js
index 46d8dd4e42e..270e09c2ec8 100644
--- a/addons/hr_homeworking/static/src/calendar/common/calendar_model.js
+++ b/addons/hr_homeworking/static/src/calendar/common/calendar_model.js
@@ -72,7 +72,9 @@ patch(AttendeeCalendarModel.prototype, {
                     } else {
                         previousDay = dayISO;
                     }
-                    events[dayISO] = currentEvent;
+                    if (currentEvent.title) {
+                        events[dayISO] = currentEvent;
+                    }
                 }
             }
         }