diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 01ea1f170f77..29ffe2eb9bf9 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -488,14 +488,14 @@
 	};
 
 	thermal-zones {
-		reserve_thermal: reserve_thermal {
+		reserve_thermal: reserve-thermal {
 			polling-delay-passive = <1000>; /* milliseconds */
 			polling-delay = <5000>; /* milliseconds */
 
 			thermal-sensors = <&tsadc 0>;
 		};
 
-		cpu_thermal: cpu_thermal {
+		cpu_thermal: cpu-thermal {
 			polling-delay-passive = <100>; /* milliseconds */
 			polling-delay = <5000>; /* milliseconds */
 
@@ -539,7 +539,7 @@
 			};
 		};
 
-		gpu_thermal: gpu_thermal {
+		gpu_thermal: gpu-thermal {
 			polling-delay-passive = <100>; /* milliseconds */
 			polling-delay = <5000>; /* milliseconds */