diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index e35d782e7e5f..8d6f028ae285 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -58,7 +58,7 @@ clk_hse: clk-hse {
 			clock-frequency = <0>;
 		};
 
-		clk-lse {
+		clk_lse: clk-lse {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 			clock-frequency = <32768>;