diff --git a/src/northbridge/intel/x4x/Kconfig b/src/northbridge/intel/x4x/Kconfig
index 3ebb4fa23b..476caf5f59 100644
--- a/src/northbridge/intel/x4x/Kconfig
+++ b/src/northbridge/intel/x4x/Kconfig
@@ -12,6 +12,7 @@ config NORTHBRIDGE_SPECIFIC_OPTIONS
 	select INTEL_GMA_ACPI
 	select CACHE_MRC_SETTINGS
 	select BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES
+	select HAVE_EXP_X86_64_SUPPORT
 
 config CBFS_SIZE
 	hex