diff --git a/calendar/resources/jar.mn b/calendar/resources/jar.mn
index 4338f1516d2..84e90fa47cf 100644
--- a/calendar/resources/jar.mn
+++ b/calendar/resources/jar.mn
@@ -83,6 +83,7 @@ calendar.jar:
     skin/classic/calendar/all_day_event_down.gif (skin/classic/all_day_event_down.gif)
     skin/classic/calendar/all_day_event_hover.gif (skin/classic/all_day_event_hover.gif)
     skin/classic/calendar/btn1.png (skin/classic/btn1.png)
+    skin/classic/calendar/btn1.gif (skin/classic/btn1.gif)
     skin/classic/calendar/calendar-16.gif (skin/classic/calendar-16.gif)
     skin/classic/calendar/calendar.css (skin/classic/calendar.css)
     skin/classic/calendar/calendarOverlay.css (skin/classic/calendarOverlay.css)
@@ -123,6 +124,7 @@ calendar.jar:
     skin/modern/calendar/all_day_event_down.gif (skin/modern/all_day_event_down.gif)
     skin/modern/calendar/all_day_event_hover.gif (skin/modern/all_day_event_hover.gif)
     skin/modern/calendar/btn1.png (skin/modern/btn1.png)
+    skin/modern/calendar/btn1.gif (skin/modern/btn1.gif)
     skin/modern/calendar/calendar-16.gif (skin/modern/calendar-16.gif)
     skin/modern/calendar/calendar.css (skin/modern/calendar.css)
     skin/modern/calendar/calendarEventAlertDialog.css (skin/modern/calendarEventAlertDialog.css)