diff --git a/flashchips.c b/flashchips.c
index 77fcb90..4bf71c5 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -9928,7 +9928,7 @@
 		.page_size	= 256,
 		/* supports SFDP */
 		/* OTP: 64B total; read 0x4B, write 0x42 */
-		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT,
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT | FEATURE_4BA_READ | FEATURE_4BA_WRITE,
 		.four_bytes_addr_funcs =
 		{
 			.read_nbyte = spi_nbyte_read_4ba_direct,
@@ -9967,7 +9967,7 @@
 		.page_size	= 256,
 		/* supports SFDP */
 		/* OTP: 64B total; read 0x4B, write 0x42 */
-		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT,
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT | FEATURE_4BA_READ | FEATURE_4BA_WRITE,
 		.four_bytes_addr_funcs =
 		{
 			.read_nbyte = spi_nbyte_read_4ba_direct,
@@ -14851,7 +14851,7 @@
 		/* supports SFDP */
 		/* OTP: 1024B total, 256B reserved; read 0x48; write 0x42, erase 0x44, read ID 0x4B */
 		/* FOUR_BYTE_ADDR: supports 4-bytes addressing mode */
-		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT,
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA_SUPPORT | FEATURE_4BA_READ,
 		.four_bytes_addr_funcs =
 		{
 			.set_4ba = spi_enter_4ba_b7_we, /* enter 4-bytes addressing mode by CMD B7 + WREN */