diff --git a/files/frr.conf.wit b/files/frr.conf.wit
index 334b7c9..bbb7829 100644
--- a/files/frr.conf.wit
+++ b/files/frr.conf.wit
@@ -56,7 +56,7 @@ ip prefix-list WITV4 seq 35 permit 170.199.215.0/24 ge 25
 ip prefix-list WITV4 seq 40 permit 170.199.216.0/24 ge 25
 ip prefix-list WITV4 seq 45 permit 170.199.217.0/24 ge 25
 !
-ipv6 prefix-list LOOPBACK seq 5 permit 2604:bbc0::/96 ge 128
+ipv6 prefix-list LOOPBACK seq 5 permit 2604:bbc0:0:100::/56 ge 128
 ipv6 prefix-list WITV6-CUSTOMERS seq 5 permit 2604:bbc0:1::/48 ge 64
 !
 route-map EIPv6 permit 5