diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index b586a70..6d4e916 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -29,7 +29,10 @@
 #include "mbedtls/platform.h"
 #else
 #include <stdio.h>
+#include <stdlib.h>
 #define mbedtls_free       free
+#define mbedtls_time       time
+#define mbedtls_time_t     time_t
 #define mbedtls_calloc    calloc
 #define mbedtls_fprintf    fprintf
 #define mbedtls_printf     printf