diff --git a/sys/dev/flash/mx25l.c b/sys/dev/flash/mx25l.c
index be845c2064f..9608bbf5731 100644
--- a/sys/dev/flash/mx25l.c
+++ b/sys/dev/flash/mx25l.c
@@ -152,6 +152,9 @@ static struct mx25l_flash_ident flash_devices[] = {
 	/* GigaDevice */
 	{ "gd25q64",	0xc8, 0x4017, 64 * 1024, 128, FL_ERASE_4K },
 	{ "gd25q128",	0xc8, 0x4018, 64 * 1024, 256, FL_ERASE_4K },
+
+	/* Integrated Silicon Solution */
+	{ "is25wp256",	0x9d, 0x7019, 64 * 1024, 512, FL_ERASE_4K | FL_ENABLE_4B_ADDR},
 };
 
 static int