diff --git a/src/mod/endpoints/mod_sofia/sofia_glue.c b/src/mod/endpoints/mod_sofia/sofia_glue.c
index 442a15a8e8..884e5025b8 100644
--- a/src/mod/endpoints/mod_sofia/sofia_glue.c
+++ b/src/mod/endpoints/mod_sofia/sofia_glue.c
@@ -1745,7 +1745,7 @@ switch_status_t sofia_glue_do_invite(switch_core_session_t *session)
 		}
 
 		if (sofia_test_pflag(tech_pvt->profile, PFLAG_AUTO_NAT)) {
-			if (!zstr(tech_pvt->remote_ip) && !zstr(profile->extsipip) && sofia_glue_check_nat(tech_pvt->profile, tech_pvt->remote_ip)) {
+			if (!zstr(tech_pvt->remote_ip) && !zstr(tech_pvt->profile->extsipip) && sofia_glue_check_nat(tech_pvt->profile, tech_pvt->remote_ip)) {
 				rpid_domain = tech_pvt->profile->extsipip;
 			} else {
 				rpid_domain = tech_pvt->profile->sipip;