diff --git a/calendar/resources/content/calendarEventDialog.js b/calendar/resources/content/calendarEventDialog.js
index 9d9188376598..c711e32a97d9 100644
--- a/calendar/resources/content/calendarEventDialog.js
+++ b/calendar/resources/content/calendarEventDialog.js
@@ -205,8 +205,8 @@ function loadCalendarEventDialog()
    */
    setAdvancedWeekRepeat();
    
-   setFieldValue( "advanced-repeat-dayofmonth", ( gEvent.recurWeekNumber == 0 || gEvent.recurWeekNumber == undefined ), "checked" );
-   setFieldValue( "advanced-repeat-dayofweek", ( gEvent.recurWeekNumber > 0 ), "checked" );
+   setFieldValue( "advanced-repeat-dayofmonth", ( gEvent.recurWeekNumber == 0 || gEvent.recurWeekNumber == undefined ), "selected" );
+   setFieldValue( "advanced-repeat-dayofweek", ( gEvent.recurWeekNumber > 0 ), "selected" );
    
    // set up OK, Cancel
    
diff --git a/calendar/resources/content/eventDialog.js b/calendar/resources/content/eventDialog.js
index 9d9188376598..c711e32a97d9 100644
--- a/calendar/resources/content/eventDialog.js
+++ b/calendar/resources/content/eventDialog.js
@@ -205,8 +205,8 @@ function loadCalendarEventDialog()
    */
    setAdvancedWeekRepeat();
    
-   setFieldValue( "advanced-repeat-dayofmonth", ( gEvent.recurWeekNumber == 0 || gEvent.recurWeekNumber == undefined ), "checked" );
-   setFieldValue( "advanced-repeat-dayofweek", ( gEvent.recurWeekNumber > 0 ), "checked" );
+   setFieldValue( "advanced-repeat-dayofmonth", ( gEvent.recurWeekNumber == 0 || gEvent.recurWeekNumber == undefined ), "selected" );
+   setFieldValue( "advanced-repeat-dayofweek", ( gEvent.recurWeekNumber > 0 ), "selected" );
    
    // set up OK, Cancel