diff --git a/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-stock.dts b/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-stock.dts
index e92d9dc6698..587a05e45ef 100644
--- a/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-stock.dts
+++ b/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-stock.dts
@@ -16,7 +16,7 @@
 
 	memory@40000000 {
 		device_type = "memory";
-		reg = <0x40000000 0x20000000>;
+		reg = <0 0x40000000 0 0x20000000>;
 	};
 };
 
diff --git a/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-ubootmod.dts b/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-ubootmod.dts
index a1f4a73f2f8..b32a3b56130 100644
--- a/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-ubootmod.dts
+++ b/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-ubootmod.dts
@@ -16,7 +16,7 @@
 
 	memory@40000000 {
 		device_type = "memory";
-		reg = <0x40000000 0x20000000>;
+		reg = <0 0x40000000 0 0x20000000>;
 	};
 
 	chosen {