diff --git a/arch/loongarch/configs/loongson_2k1000_defconfig b/arch/loongarch/configs/loongson_2k1000_defconfig
index 000bd98a8..75c126edf 100644
--- a/arch/loongarch/configs/loongson_2k1000_defconfig
+++ b/arch/loongarch/configs/loongson_2k1000_defconfig
@@ -562,6 +562,8 @@ CONFIG_SENSORS_W83795=m
 CONFIG_SENSORS_W83627HF=m
 CONFIG_THERMAL=y
 CONFIG_LOONGSON2_THERMAL=y
+CONFIG_WATCHDOG=y
+CONFIG_LOONGSON2_WDT=y
 # CONFIG_MEDIA_CEC_SUPPORT is not set
 CONFIG_MEDIA_SUPPORT=y
 # CONFIG_DVB_CORE is not set