diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index 183af3c44b..fd95d9addb 100644
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -884,7 +884,8 @@ static void our_sofia_event_callback(nua_event_t event,
 		}
 	}
 	
-	if (sofia_test_pflag(profile, PFLAG_AUTH_ALL) && tech_pvt && tech_pvt->key && sip) {
+
+	if (sofia_test_pflag(profile, PFLAG_AUTH_ALL) && tech_pvt && tech_pvt->key && sip && (event < nua_r_set_params || event > nua_r_authenticate)) {
 		sip_authorization_t const *authorization = NULL;
 
 		if (sip->sip_authorization) {