diff --git a/include/flashchips.h b/include/flashchips.h
index 4718bd2..03798bf 100644
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -354,6 +354,7 @@
 #define FUDAN_FM25Q16		0x4015
 #define FUDAN_FM25Q32		0x4016
 #define FUDAN_FM25Q64		0x4017
+#define FUDAN_FM25Q128		0x4018
 
 #define FUJITSU_ID		0x04	/* Fujitsu */
 #define FUJITSU_MBM29DL400BC	0x0F