diff --git a/arch/arm/boot/dts/stm32h743i-eval.dts b/arch/arm/boot/dts/stm32h743i-eval.dts
index ab78ad532375..e4d3c58f3d97 100644
--- a/arch/arm/boot/dts/stm32h743i-eval.dts
+++ b/arch/arm/boot/dts/stm32h743i-eval.dts
@@ -87,6 +87,7 @@
 };
 
 &adc_12 {
+	vdda-supply = <&vdda>;
 	vref-supply = <&vdda>;
 	status = "okay";
 	adc1: adc@0 {