diff --git a/opal/mca/btl/tcp/btl_tcp_endpoint.c b/opal/mca/btl/tcp/btl_tcp_endpoint.c
index 0cc8537aab..1d68fd5657 100644
--- a/opal/mca/btl/tcp/btl_tcp_endpoint.c
+++ b/opal/mca/btl/tcp/btl_tcp_endpoint.c
@@ -742,7 +742,7 @@ static int mca_btl_tcp_endpoint_start_connect(mca_btl_base_endpoint_t* btl_endpo
     }
 #if OPAL_ENABLE_IPV6
     if (endpoint_addr.ss_family == AF_INET6) {
-        assert(NULL != &btl_endpoint->endpoint_btl->tcp_ifaddr_6);
+        assert(NULL != &btl_endpoint->endpoint_btl->tcp_ifaddr);
         if (bind(btl_endpoint->endpoint_sd, (struct sockaddr*) &btl_endpoint->endpoint_btl->tcp_ifaddr,
                  sizeof(struct sockaddr_in6)) < 0) {
             BTL_ERROR(("bind on local address (%s:%d) failed: %s (%d)",