diff --git a/libexec/rc/rc.conf b/libexec/rc/rc.conf
index 1ee1573bbdb..583d4fd2970 100644
--- a/libexec/rc/rc.conf
+++ b/libexec/rc/rc.conf
@@ -420,7 +420,7 @@ ntp_src_leapfile="/etc/ntp/leap-seconds"
 				# Initial source for ntpd leapfile
 ntp_db_leapfile="/var/db/ntpd.leap-seconds.list"
 				# Canonical place to get the leap seconds from
-ntp_leapfile_sources="https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list"
+ntp_leapfile_sources="https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list https://data.iana.org/time-zones/tzdb/leap-seconds.list"
 				# Source from which to fetch leapfile
 ntp_leapfile_fetch_opts="-mq"	# Options to use for ntp leapfile fetch,
 				# e.g. --no-verify-peer