diff --git a/drivers/watchdog/sp5100_tco.h b/drivers/watchdog/sp5100_tco.h
index 87eaf357ae01..adf015aa4126 100644
--- a/drivers/watchdog/sp5100_tco.h
+++ b/drivers/watchdog/sp5100_tco.h
@@ -70,7 +70,7 @@
 #define EFCH_PM_DECODEEN_WDT_TMREN	BIT(7)
 
 
-#define EFCH_PM_DECODEEN3		0x00
+#define EFCH_PM_DECODEEN3		0x03
 #define EFCH_PM_DECODEEN_SECOND_RES	GENMASK(1, 0)
 #define EFCH_PM_WATCHDOG_DISABLE	((u8)GENMASK(3, 2))