diff --git a/src/soc/intel/quark/Kconfig b/src/soc/intel/quark/Kconfig
index ae25c32..6a2349f 100644
--- a/src/soc/intel/quark/Kconfig
+++ b/src/soc/intel/quark/Kconfig
@@ -30,6 +30,7 @@
 	select SOC_INTEL_COMMON
 	select SOC_SETS_MTRRS
 	select TSC_CONSTANT_RATE
+	select UART_OVERRIDE_REFCLK
 	select UDELAY_TSC
 	select UNCOMPRESSED_RAMSTAGE
 	select USE_MARCH_586