--- res/res_rtp_asterisk.c
+++ res/res_rtp_asterisk.c
@@ -2525,7 +2525,7 @@
 
 	/* Create an ICE session for ICE negotiation */
 	if (pj_ice_sess_create(&stun_config, NULL, PJ_ICE_SESS_ROLE_UNKNOWN, 2,
-			&ast_rtp_ice_sess_cb, &ufrag, &passwd, &rtp->ice) == PJ_SUCCESS) {
+			&ast_rtp_ice_sess_cb, &ufrag, &passwd, NULL, &rtp->ice) == PJ_SUCCESS) {
 		/* Make this available for the callbacks */
 		rtp->ice->user_data = instance;