diff --git a/target/linux/ramips/dts/mt7620a_hongdian_h8922-v30.dts b/target/linux/ramips/dts/mt7620a_hongdian_h8922-v30.dts
index d983f5f854c..64c19a6012d 100644
--- a/target/linux/ramips/dts/mt7620a_hongdian_h8922-v30.dts
+++ b/target/linux/ramips/dts/mt7620a_hongdian_h8922-v30.dts
@@ -145,7 +145,7 @@
 
 &state_default {
 	gpio {
-		groups = "wled", "rgmii1", "rgmii2";
+		groups = "uartf", "wled", "rgmii1", "rgmii2";
 		function = "gpio";
 	};
 };