diff --git a/plugins/calendar/calendar_ui.js b/plugins/calendar/calendar_ui.js
index a1a60b1b..38a32a8c 100644
--- a/plugins/calendar/calendar_ui.js
+++ b/plugins/calendar/calendar_ui.js
@@ -2705,7 +2705,7 @@ function rcube_calendar_ui(settings)
// insert to #calendar-select options if writeable
select = $('#edit-calendar');
if (fc && !cal.readonly && select.length && !select.find('option[value="'+id+'"]').length) {
- $('