diff --git a/soc/ite/ec/it8xxx2/Kconfig b/soc/ite/ec/it8xxx2/Kconfig
index 0e40836acfd..47a4f54f0bb 100644
--- a/soc/ite/ec/it8xxx2/Kconfig
+++ b/soc/ite/ec/it8xxx2/Kconfig
@@ -170,7 +170,7 @@ config SOC_IT8XXX2_SHA256_HW_ACCELERATE
 
 config SOC_IT8XXX2_SHA256_BLOCK_SIZE
 	hex
-	default 0x500 if SOC_IT82002_AW || SOC_IT82202_AX || SOC_IT82302_AX
+	default 0x500 if SOC_IT8XXX2_REG_SET_V2
 	default 0x200
 
 DT_CHOSEN_ZEPHYR_FLASH := zephyr,flash