diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index a5c27b0..b8f2842 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -23,3 +23,4 @@
 obj-$(CONFIG_WDT_ORION) += orion_wdt.o
 obj-$(CONFIG_WDT_CDNS) += cdns_wdt.o
 obj-$(CONFIG_MPC8xx_WATCHDOG) += mpc8xx_wdt.o
+obj-$(CONFIG_WDT_MT7621) += mt7621_wdt.o