diff --git a/flashchips.c b/flashchips.c
index 19ef6b4..961c1b3 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -113,7 +113,7 @@
 	{"ST",		"M50FLW080A",		ST_ID,		ST_M50FLW080A,		1024,	64 * 1024,	TEST_OK_PREW,	probe_stm50flw0x0x,	erase_stm50flw0x0x,		write_stm50flw0x0x},
 	{"ST",		"M50FLW080B",		ST_ID,		ST_M50FLW080B,		1024,	64 * 1024,	TEST_UNTESTED,	probe_stm50flw0x0x,	erase_stm50flw0x0x,		write_stm50flw0x0x},
 	{"ST",		"M50FW016",		ST_ID,		ST_M50FW016,		2048,	64 * 1024,	TEST_UNTESTED,	probe_82802ab,		erase_82802ab,			write_82802ab},
-	{"ST",		"M50FW040",		ST_ID,		ST_M50FW040,		512,	64 * 1024,	TEST_UNTESTED,	probe_82802ab,		erase_82802ab,			write_82802ab},
+	{"ST",		"M50FW040",		ST_ID,		ST_M50FW040,		512,	64 * 1024,	TEST_OK_PR,	probe_82802ab,		erase_82802ab,			write_82802ab},
 	{"ST",		"M50FW080",		ST_ID,		ST_M50FW080,		1024,	64 * 1024,	TEST_UNTESTED,	probe_82802ab,		erase_82802ab,			write_82802ab},
 	{"ST",		"M50LPW116",		ST_ID,		ST_M50LPW116,		2048,	64 * 1024,	TEST_UNTESTED,	probe_jedec,		erase_chip_jedec,		write_jedec},
 	{"SyncMOS",	"S29C31004T",		SYNCMOS_ID,	S29C31004T,		512,	128,		TEST_UNTESTED,	probe_jedec,		erase_chip_jedec,		write_49f002},