diff --git a/qcom/lahaina-pcie.dtsi b/qcom/lahaina-pcie.dtsi
index 32f0dcd3..51c7a9fc 100644
--- a/qcom/lahaina-pcie.dtsi
+++ b/qcom/lahaina-pcie.dtsi
@@ -200,6 +200,7 @@
 		compatible = "qcom,pci-msi";
 		msi-controller;
 		reg = <0x17a10040 0x0>;
+		qcom,msi-addr-size-exp = <20>;
 		interrupt-parent = <&intc>;
 		interrupts = <GIC_SPI 768 IRQ_TYPE_EDGE_RISING>,
 			<GIC_SPI 769 IRQ_TYPE_EDGE_RISING>,