diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
index 4f34fc9a8c..f88466fa60 100644
--- a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
+++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
@@ -228,7 +228,7 @@
 };
 
 &qspi {
-	reg = <0xA0001000 0x1000>, <0x90000000 0x1000000>;
+	reg = <0xa0001000 0x1000>, <0x90000000 0x1000000>;
 	qflash0: n25q128a@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;