#include "AT45DB321C.h"         \r
 \r
        /* Preprocessor Checks: */\r
-               #if !defined(INCLUDE_FROM_DATAFLASH_H)\r
+               #if !defined(__INCLUDE_FROM_DATAFLASH_H)\r
                        #error Do not include this file directly. Include LUFA/Drivers/Board/Dataflash.h instead.\r
                #endif\r
 \r