diff --git a/src/mainboard/google/reef/Kconfig b/src/mainboard/google/reef/Kconfig
index 8fb6056050..f4e2e6a450 100644
--- a/src/mainboard/google/reef/Kconfig
+++ b/src/mainboard/google/reef/Kconfig
@@ -32,6 +32,10 @@ config DRIVER_TPM_I2C_ADDR
 	hex
 	default 0x50
 
+config TPM_TIS_ACPI_INTERRUPT
+	int
+	default 60 # GPE0_DW1_28
+
 config DRIVER_TPM_I2C_IRQ
 	int
 	default 60 # GPE0_DW1_28