diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
index 9fddf3f0b3b996..9f1820a7b5a9fa 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
@@ -234,7 +234,7 @@
 			reg-names = "clr", "doorbell";
 			msi-controller;
 			#msi-cells = <0>;
-			msi-ranges = <&intc 64 IRQ_TYPE_EDGE_RISING 32>;
+			msi-ranges = <&intc 64 IRQ_TYPE_EDGE_RISING 16>;
 		};
 
 		rpgate: clock-controller@7030010368 {