--- a/calendar/base/content/calendar-unifinder.xul
+++ b/calendar/base/content/calendar-unifinder.xul
@@ -86,17 +86,17 @@
               <menuitem id="event-filter-current"
                         label="&calendar.events.filter.current.label;"
                         value="current"/>
             </menupopup>
           </menulist>
         </box>
         <box align="center" flex="1">
           <label control="unifinder-search-field" value="&calendar.search.options.searchfor;"/>
-          <textbox id="unifinder-search-field" onkeypress="searchKeyPress( this, event )" flex="1"/>
+          <textbox id="unifinder-search-field" type="search" oncommand="searchKeyPress( this, event )" flex="1"/>
         </box>
         <toolbarbutton id="unifinder-closer"
                        class="unifinder-closebutton"
                        command="calendar_show_unifinder_command"
                        tooltiptext="&calendar.unifinder.close.tooltip;"/>
       </hbox>
       <tree id="unifinder-search-results-tree" flex="1"
             onselect="unifinderSelect(event); calendarController.onSelectionChanged()"