diff --git a/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts b/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
index 78f5584b4c..dcf5cea460 100644
--- a/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
+++ b/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
@@ -37,7 +37,7 @@
 
 		wps {
 			label = "wps";
-			gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
+			gpios = <&gpio 43 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_WPS_BUTTON>;
 			debounce-interval = <60>;
 		};
diff --git a/target/linux/ramips/image/rt305x.mk b/target/linux/ramips/image/rt305x.mk
index 4edc2eb3c4..9b498fa5ab 100644
--- a/target/linux/ramips/image/rt305x.mk
+++ b/target/linux/ramips/image/rt305x.mk
@@ -1237,6 +1237,7 @@ endef
 TARGET_DEVICES += zyxel_nbg-419n
 
 define Device/zyxel_nbg-419n-v2
+  $(Device/uimage-lzma-loader)
   SOC := rt3352
   IMAGE_SIZE := 7872k
   DEVICE_VENDOR := ZyXEL