diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index b42d42eff8f68ec7cdf10a2de127e418c4faaace..1c8abd1e18091f8569228eed7273fb3c26d6b0ca 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -15305,8 +15305,9 @@ static enum parse_register_result parse_register_contact(struct sip_pvt *pvt, st
 		ao2_t_unlink(peers_by_ip, peer, "ao2_unlink of peer from peers_by_ip table");
 	}
 
-	if (!ast_test_flag(&peer->flags[0], SIP_NAT_FORCE_RPORT) && !ast_test_flag(&peer->flags[0], SIP_NAT_RPORT_PRESENT)) {
-		 /* use the data provided in the Contact header for call routing */
+	if ((transport_type != SIP_TRANSPORT_WS) && (transport_type != SIP_TRANSPORT_WSS) &&
+	    (!ast_test_flag(&peer->flags[0], SIP_NAT_FORCE_RPORT) && !ast_test_flag(&peer->flags[0], SIP_NAT_RPORT_PRESENT))) {
+		/* use the data provided in the Contact header for call routing */
 		ast_debug(1, "Store REGISTER's Contact header for call routing.\n");
 		/* XXX This could block for a long time XXX */
 		/*! \todo Check NAPTR/SRV if we have not got a port in the URI */