diff --git a/flashchips.c b/flashchips.c
index 46f9269..eab7e2e 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -17642,10 +17642,10 @@
 
 	{
 		.vendor		= "Winbond",
-		.name		= "W25Q64JW",
+		.name		= "W25Q64JW...M",
 		.bustype	= BUS_SPI,
 		.manufacture_id	= WINBOND_NEX_ID,
-		.model_id	= WINBOND_NEX_W25Q64JW,
+		.model_id	= WINBOND_NEX_W25Q64JW_M,
 		.total_size	= 8192,
 		.page_size	= 256,
 		/* OTP: 256B total; read 0x48; write 0x42, erase 0x44, read ID 0x4B */
diff --git a/flashchips.h b/flashchips.h
index 47e1436..70fc140 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -968,7 +968,7 @@
 #define WINBOND_NEX_W25Q128_V_M	0x7018	/* W25Q128JVSM */
 #define WINBOND_NEX_W25Q256JV_M	0x7019	/* W25Q256JV_M (QE=0) */
 #define WINBOND_NEX_W25Q32JW_M	0x8016  /* W25Q32JW...M */
-#define WINBOND_NEX_W25Q64JW	0x8017
+#define WINBOND_NEX_W25Q64JW_M	0x8017  /* W25Q64JW...M */
 #define WINBOND_NEX_W25Q128_DTR	0x8018	/* W25Q128JW_DTR */
 #define WINBOND_NEX_W25Q256_DTR	0x8019	/* W25Q256JW_DTR aka W25Q256256JW-IM */