diff --git a/debian/defconfig b/debian/defconfig
index 9845efa..07487be 100644
--- a/debian/defconfig
+++ b/debian/defconfig
@@ -342,7 +342,8 @@
 CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_RTC_CLASS=y
-# CONFIG_RTC_SYSTOHC is not set
+CONFIG_RTC_SYSTOHC=y
+CONFIG_RTC_DRV_MT6397=y
 CONFIG_DMADEVICES=y
 CONFIG_SW_SYNC=y
 CONFIG_STAGING=y