diff --git a/flashchips.c b/flashchips.c
index 4e45d92..10b973e 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -88,7 +88,7 @@
 	{"SST",		"SST49LF008C",		SST_ID,		SST_49LF008C,		1024,	4 * 1024,	TEST_UNTESTED,	probe_49lfxxxc,		erase_49lfxxxc,			write_49lfxxxc},
 	{"SST",		"SST49LF016C",		SST_ID,		SST_49LF016C,		2048,	4 * 1024,	TEST_UNTESTED,	probe_49lfxxxc,		erase_49lfxxxc,			write_49lfxxxc},
 	{"SST",		"SST49LF020A",		SST_ID,		SST_49LF020A,		256,	16 * 1024,	TEST_UNTESTED,	probe_jedec,		erase_49lf040,			write_49lf040},
-	{"SST",		"SST49LF040",		SST_ID,		SST_49LF040,		512,	4096,		TEST_UNTESTED,	probe_jedec,		erase_49lf040,			write_49lf040},
+	{"SST",		"SST49LF040",		SST_ID,		SST_49LF040,		512,	4096,		TEST_OK_PREW,	probe_jedec,		erase_49lf040,			write_49lf040},
 	{"SST",		"SST49LF040B",		SST_ID,		SST_49LF040B,		512,	64 * 1024,	TEST_UNTESTED,	probe_sst_fwhub,	erase_sst_fwhub,		write_sst_fwhub},
 	{"SST",		"SST49LF080A",		SST_ID,		SST_49LF080A,		1024,	4096,		TEST_OK_PREW,	probe_jedec,		erase_49lf040,			write_49lf040},
 	{"SST",		"SST49LF160C",		SST_ID,		SST_49LF160C,		2048,	4 * 1024,	TEST_OK_PREW,	probe_49lfxxxc,		erase_49lfxxxc,			write_49lfxxxc},