diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index e1784a6..348b3b8 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -141,5 +141,6 @@
 # XTENSA Architecture
 
 # Architecture Independant
+obj-$(CONFIG_WM831X_WATCHDOG) += wm831x_wdt.o
 obj-$(CONFIG_WM8350_WATCHDOG) += wm8350_wdt.o
 obj-$(CONFIG_SOFT_WATCHDOG) += softdog.o