diff --git a/calendar/event.go b/calendar/event.go
index 5942b66..ccec497 100644
--- a/calendar/event.go
+++ b/calendar/event.go
@@ -32,6 +32,11 @@ func (e *Event) BeforeSave(tx *gorm.DB) (err error) {
 	if e.CalendarID == "" {
 		return errors.ErrorBadRequest
 	}
+	if e.Location == "" {
+		loc := ""
+		tx.Raw("select name from calendars where id = ?", e.CalendarID).Scan(&loc)
+		e.Location = loc
+	}
 	return
 }