diff --git a/src/libosmo-mgcp/mgcp_osmux.c b/src/libosmo-mgcp/mgcp_osmux.c
index a1121de..8da7361 100644
--- a/src/libosmo-mgcp/mgcp_osmux.c
+++ b/src/libosmo-mgcp/mgcp_osmux.c
@@ -202,9 +202,9 @@
 	struct mgcp_conn_rtp * conn_rtp;
 	int i;
 
-	for (i=0; i<cfg->trunk.number_endpoints; i++) {
+	for (i=0; i<cfg->virt_trunk->number_endpoints; i++) {
 
-		endp = &cfg->trunk.endpoints[i];
+		endp = &cfg->virt_trunk->endpoints[i];
 
 		llist_for_each_entry(conn, &endp->conns, entry) {
 			if (conn->type != MGCP_CONN_TYPE_RTP)