diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index d70ef4c..7159eb3 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1596,7 +1596,7 @@
     else
         ssl_set_bio_timeout( &ssl, &client_fd, net_send, net_recv,
 #if defined(POLARSSL_HAVE_TIME)
-                             net_recv_timeout,
+                             opt.nbio == 0 ? net_recv_timeout : NULL,
 #else
                              NULL,
 #endif