diff --git a/arch/arm/configs/rx51_defconfig b/arch/arm/configs/rx51_defconfig
index f238df66efd4d3d2e80f1188b91171845e7ee502..e7e31332c62a24823804e7a49e9a08159535f795 100644
--- a/arch/arm/configs/rx51_defconfig
+++ b/arch/arm/configs/rx51_defconfig
@@ -1006,6 +1006,7 @@ CONFIG_WATCHDOG=y
 #
 # CONFIG_SOFT_WATCHDOG is not set
 CONFIG_OMAP_WATCHDOG=m
+CONFIG_TWL4030_WATCHDOG=m
 
 #
 # USB-based Watchdog Cards