diff --git a/arch/arm/boot/dts/milbeaut-m10v.dtsi b/arch/arm/boot/dts/milbeaut-m10v.dtsi
index 9f70784bad0c..75f0c0af2270 100644
--- a/arch/arm/boot/dts/milbeaut-m10v.dtsi
+++ b/arch/arm/boot/dts/milbeaut-m10v.dtsi
@@ -85,6 +85,7 @@ uart1: serial@1e700010 { /* PE4, PE5 */
 			reg = <0x1e700010 0x10>;
 			interrupts = <0 141 0x4>, <0 149 0x4>;
 			interrupt-names = "rx", "tx";
+			clocks = <&clk 2>;
 		};
 
 	};