diff --git a/target/linux/mpc85xx/p2020/config-default b/target/linux/mpc85xx/p2020/config-default
index e293008d8bb..6d0ecc5b9ee 100644
--- a/target/linux/mpc85xx/p2020/config-default
+++ b/target/linux/mpc85xx/p2020/config-default
@@ -9,6 +9,7 @@ CONFIG_GENERIC_MSI_IRQ_DOMAIN=y
 CONFIG_GENERIC_TBSYNC=y
 CONFIG_IRQ_DOMAIN_HIERARCHY=y
 CONFIG_LOCK_SPIN_ON_OWNER=y
+CONFIG_MAX63XX_WATCHDOG=y
 CONFIG_MDIO_DEVRES=y
 CONFIG_MPC85xx_RDB=y
 CONFIG_MTD_CFI=y