diff --git a/flashchips.c b/flashchips.c
index 83a0e4f..9336c8c 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -17239,7 +17239,7 @@
 		/* OTP: 1024B total, 256B reserved; read 0x48; write 0x42, erase 0x44, read ID 0x4B */
 		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP |
 				  FEATURE_WRSR_EXT2 | FEATURE_WRSR2 | FEATURE_WRSR3,
-		.tested		= TEST_OK_PREW,
+		.tested		= TEST_OK_PREWB,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
 		.block_erasers	=