--- ./src/serial.c.orig	2013-07-09 14:16:04.793467198 +0000
+++ ./src/serial.c	2013-07-09 14:16:20.230304446 +0000
@@ -11,6 +11,7 @@
 #include "socket.h"
 #include "options.h"
 #include "unix.h"
+#include "luasocket.h"
 #include <sys/un.h> 
 
 /*