diff --git a/calendar/inc/class.calendar_ui.inc.php b/calendar/inc/class.calendar_ui.inc.php
index c7700cc52f..2e261d8c7f 100644
--- a/calendar/inc/class.calendar_ui.inc.php
+++ b/calendar/inc/class.calendar_ui.inc.php
@@ -764,7 +764,7 @@ class calendar_ui
lang('Select a %1',lang('Category')). '"'.($cat_id && count($cat_id) > 1 ? ' multiple=true size=4':''). '>'.
''.
$this->categories->formatted_list('select','all',$cat_id,'True').
- "\n" . html::image('phpgwapi','attach','','id="calendar_cat_id_multiple"')."
+ "\n" . html::image('phpgwapi','category','','id="calendar_cat_id_multiple"')."