diff --git a/include/flashchips.h b/include/flashchips.h
index 7654c33..bf632af 100644
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -864,6 +864,7 @@
 #define ST_M25P32		0x2016
 #define ST_M25P64		0x2017
 #define ST_M25P128		0x2018
+#define XMC_XM25QU64A		0x3817
 #define ST_M45PE10		0x4011
 #define ST_M45PE20		0x4012
 #define ST_M45PE40		0x4013