diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
index 3b25180d2a07b2355bde87477d4126efb26dc614..38d7cb8681fca6837193fd9c19521726662e3aab 100644
--- a/arch/arm/boot/dts/stm32h743.dtsi
+++ b/arch/arm/boot/dts/stm32h743.dtsi
@@ -317,7 +317,7 @@
 			};
 		};
 
-		vrefbuf: regulator@58003C00 {
+		vrefbuf: regulator@58003c00 {
 			compatible = "st,stm32-vrefbuf";
 			reg = <0x58003C00 0x8>;
 			clocks = <&rcc VREF_CK>;