Index: calendar/e-cal-backend-exchange-calendar.c
===================================================================
RCS file: /cvs/gnome/evolution-exchange/calendar/e-cal-backend-exchange-calendar.c,v
retrieving revision 1.53
diff -u -p -r1.53 e-cal-backend-exchange-calendar.c
--- calendar/e-cal-backend-exchange-calendar.c	4 Mar 2006 10:17:41 -0000	1.53
+++ calendar/e-cal-backend-exchange-calendar.c	6 Mar 2006 15:09:11 -0000
@@ -674,6 +674,8 @@ check_owner_partstatus_for_declined (ECa
 	email = e_cal_backend_exchange_get_owner_email (backend);
 	icalprop = find_attendee_prop (icalcomp, email);
 	g_free (email);
+	if (!icalprop)
+		return FALSE;
 	
 	param = icalproperty_get_first_parameter (icalprop, ICAL_PARTSTAT_PARAMETER);
 	
