diff --git a/flashchips.h b/flashchips.h
index bff0c98..62eb9a5 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -749,9 +749,9 @@
  */
 #define ST_ID			0x20	/* ST / SGS/Thomson / Numonyx (later acquired by Micron) */
 #define ST_M25P05A		0x2010
-#define ST_M25P05_RES		0x10	/* Same code as M25P10. */
+#define ST_M25P05_RES		0x05
 #define ST_M25P10A		0x2011
-#define ST_M25P10_RES		0x10	/* Same code as M25P05. */
+#define ST_M25P10_RES		0x10
 #define ST_M25P20		0x2012
 #define ST_M25P20_RES		0x11
 #define ST_M25P40		0x2013