diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig
index ed35bd6..b9a5b60 100644
--- a/src/soc/intel/tigerlake/Kconfig
+++ b/src/soc/intel/tigerlake/Kconfig
@@ -186,6 +186,10 @@
 config TPM_CR50
 	select CR50_USE_LONG_INTERRUPT_PULSES
 
+config VBT_DATA_SIZE_KB
+	int
+	default 9
+
 config VBOOT
 	select VBOOT_SEPARATE_VERSTAGE
 	select VBOOT_MUST_REQUEST_DISPLAY