diff --git a/include/flashchips.h b/include/flashchips.h
index b73de30..7654c33 100644
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -877,6 +877,7 @@
 #define XMC_XM25QU128C		0x4118
 #define XMC_XM25QU256C		0x4119
 #define XMC_XM25QU512C		0x4120
+#define XMC_XM25RH256C		0x4319
 #define XMC_XM25RH512C		0x4320
 #define ST_M25PX80		0x7114
 #define ST_M25PX16		0x7115