diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 013d339..8955acf 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1520,7 +1520,9 @@
     mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
     fflush( stdout );
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf ) ) != 0 )
+    if( ( ret = mbedtls_ssl_config_defaults( &conf,
+                    MBEDTLS_SSL_IS_SERVER,
+                    opt.transport ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n", -ret );
         goto exit;
@@ -1537,12 +1539,6 @@
         mbedtls_ssl_set_authmode( &ssl, opt.auth_mode );
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ( ret = mbedtls_ssl_set_transport( &ssl, opt.transport ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! selected transport is not available\n" );
-        goto exit;
-    }
-
     if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX )
         mbedtls_ssl_set_handshake_timeout( &ssl, opt.hs_to_min, opt.hs_to_max );
 #endif /* MBEDTLS_SSL_PROTO_DTLS */