diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
index 3f2a48fa77b3..8c426ba2f8ab 100644
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
@@ -71,7 +71,8 @@ &uart4 {
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_txd4_default
-		     &pinctrl_rxd4_default>;
+		     &pinctrl_rxd4_default
+		     &pinctrl_ndts4_default>;
 };
 
 &uart5 {