diff --git a/target/linux/mvebu/files-6.6/arch/arm64/boot/dts/marvell/cn9132-puzzle-m902.dts b/target/linux/mvebu/files-6.6/arch/arm64/boot/dts/marvell/cn9132-puzzle-m902.dts
index f1cae8e5e42631..1394f2010a2aae 100644
--- a/target/linux/mvebu/files-6.6/arch/arm64/boot/dts/marvell/cn9132-puzzle-m902.dts
+++ b/target/linux/mvebu/files-6.6/arch/arm64/boot/dts/marvell/cn9132-puzzle-m902.dts
@@ -243,6 +243,7 @@
 			compatible = "iei,wt61p803-puzzle-hwmon";
 			#address-cells = <1>;
 			#size-cells = <0>;
+			#thermal-sensor-cells = <1>;
 
 			chassis_fan_group0: fan-group@0 {
 				#cooling-cells = <2>;