diff --git a/drivers/espi/espi_it8xxx2.c b/drivers/espi/espi_it8xxx2.c
index 5ae9aadd7b7..eafdca89b96 100644
--- a/drivers/espi/espi_it8xxx2.c
+++ b/drivers/espi/espi_it8xxx2.c
@@ -207,7 +207,7 @@ static const struct ec2i_t pmc2_settings[] = {
  * Linker script of h2ram.ld will make the pool 4K aligned.
  */
 #define IT8XXX2_ESPI_H2RAM_POOL_SIZE_MAX 0x1000
-#define IT8XXX2_ESPI_H2RAM_OFFSET_MASK   GENMASK(3, 0)
+#define IT8XXX2_ESPI_H2RAM_OFFSET_MASK   GENMASK(5, 0)
 
 #if defined(CONFIG_ESPI_PERIPHERAL_ACPI_SHM_REGION)
 #define H2RAM_ACPI_SHM_MAX ((CONFIG_ESPI_IT8XXX2_ACPI_SHM_H2RAM_SIZE) + \