diff --git a/lib/sip-trunk-register.js b/lib/sip-trunk-register.js
index 5a5143a..61d2ad6 100644
--- a/lib/sip-trunk-register.js
+++ b/lib/sip-trunk-register.js
@@ -228,7 +228,7 @@ const updateCarrierRegbots = async(logger, srf) => {
       let batch_count = 0;
       for (const gw of getUniqueGateways(gateways, logger)) {
         // find gateway account sip realm.
-        if (gw.carrier.account_sid) {
+        if (!gw.carrier.register_public_ip_in_contact && gw.carrier.account_sid) {
           const account = await lookupAccountBySid(gw.carrier.account_sid);
           if (account && account.sip_realm) {
             gw.account_sip_realm = account.sip_realm;