diff --git a/include/configs/pdnb3.h b/include/configs/pdnb3.h
index 1255f21..2612165 100644
--- a/include/configs/pdnb3.h
+++ b/include/configs/pdnb3.h
@@ -265,7 +265,8 @@
  * NAND-FLASH stuff
  */
 #define CONFIG_SYS_MAX_NAND_DEVICE	1
-#define CONFIG_SYS_NAND_BASE		0x51000000	/* NAND FLASH Base Address	*/
+#define CONFIG_SYS_NAND_BASE		0x51000000	/* NAND FLASH Base Address */
+#define CONFIG_SYS_64BIT_VSPRINTF			/* needed for nand_util.c */
 #endif
 
 /*