diff --git a/arch/arm/boot/dts/sunxi-reference-design-tablet.dtsi b/arch/arm/boot/dts/sunxi-reference-design-tablet.dtsi
index 245d0bcde441..00dc6623f30f 100644
--- a/arch/arm/boot/dts/sunxi-reference-design-tablet.dtsi
+++ b/arch/arm/boot/dts/sunxi-reference-design-tablet.dtsi
@@ -60,14 +60,14 @@
 	vref-supply = <&reg_vcc3v0>;
 	status = "okay";
 
-	button@200 {
+	button-200 {
 		label = "Volume Up";
 		linux,code = <KEY_VOLUMEUP>;
 		channel = <0>;
 		voltage = <200000>;
 	};
 
-	button@400 {
+	button-400 {
 		label = "Volume Down";
 		linux,code = <KEY_VOLUMEDOWN>;
 		channel = <0>;