diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 5b4d634..b99aeb6 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1791,7 +1791,7 @@
             unsigned char *larger_buf;
 
             ori_len = ret;
-            extra_len = ssl_get_bytes_avail( &ssl );
+            extra_len = (int) ssl_get_bytes_avail( &ssl );
 
             larger_buf = polarssl_malloc( ori_len + extra_len + 1 );
             if( larger_buf == NULL )