diff --git a/src/spiFlashdb.hpp b/src/spiFlashdb.hpp
index 26397fd..3836ba5 100644
--- a/src/spiFlashdb.hpp
+++ b/src/spiFlashdb.hpp
@@ -67,7 +67,7 @@ static std::map <uint32_t, flash_t> flash_list = {
 		.subsector_erase = true,
 		.has_extended = false,
 		.tb_otp = true,
-		.tb_offset = (1 << 5),
+		.tb_offset = (1 << 1),
 		.tb_register = FUNCR,
 		.bp_len = 4,
 		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), (1 << 5)}}
@@ -80,7 +80,7 @@ static std::map <uint32_t, flash_t> flash_list = {
 		.subsector_erase = true,
 		.has_extended = false,
 		.tb_otp = true,
-		.tb_offset = (1 << 5),
+		.tb_offset = (1 << 1),
 		.tb_register = FUNCR,
 		.bp_len = 4,
 		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), (1 << 5)}}
@@ -93,7 +93,7 @@ static std::map <uint32_t, flash_t> flash_list = {
 		.subsector_erase = true,
 		.has_extended = false,
 		.tb_otp = true,
-		.tb_offset = (1 << 5),
+		.tb_offset = (1 << 1),
 		.tb_register = FUNCR,
 		.bp_len = 4,
 		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), (1 << 5)}}