diff --git a/citadel/modules/calendar/serv_calendar.c b/citadel/modules/calendar/serv_calendar.c
index 1504fcc..7e57b66 100644
--- a/citadel/modules/calendar/serv_calendar.c
+++ b/citadel/modules/calendar/serv_calendar.c
@@ -2586,7 +2586,7 @@ CTDL_MODULE_INIT(calendar)
 	{
 
 		/* Tell libical to return errors instead of aborting if it gets bad data */
-		icalerror_errors_are_fatal = 0;
+		icalerror_set_errors_are_fatal(0);
 
 		/* Use our own application prefix in tzid's generated from system tzdata */
 		icaltimezone_set_tzid_prefix("/citadel.org/");