diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c
index 611ef5243cb6..75429a5373ec 100644
--- a/drivers/iommu/intel/irq_remapping.c
+++ b/drivers/iommu/intel/irq_remapping.c
@@ -1280,7 +1280,8 @@ static void intel_irq_remapping_prepare_irte(struct intel_ir_data *data,
 		break;
 	case X86_IRQ_ALLOC_TYPE_PCI_MSI:
 	case X86_IRQ_ALLOC_TYPE_PCI_MSIX:
-		set_msi_sid(irte, msi_desc_to_pci_dev(info->desc));
+		set_msi_sid(irte,
+			    pci_real_dma_dev(msi_desc_to_pci_dev(info->desc)));
 		break;
 	default:
 		BUG_ON(1);