diff --git a/mozilla/calendar/locales/en-US/chrome/calendar/email.properties b/mozilla/calendar/locales/en-US/chrome/calendar/email.properties
index 3501c9d4006..9dacce140c0 100644
--- a/mozilla/calendar/locales/en-US/chrome/calendar/email.properties
+++ b/mozilla/calendar/locales/en-US/chrome/calendar/email.properties
@@ -35,7 +35,7 @@
 # ***** END LICENSE BLOCK *****
 
 # Email items.
-AttachmentName=iCal Event
+AttachmentName=CalendarEvent.ics
 When=When:
 Where=Where:
 Organizer=Organizer: