diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 67b243c..886ad67 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -146,6 +146,7 @@
 {
 	x86_io_apic_ops.disable		= irq_remapping_disable_io_apic;
 	x86_io_apic_ops.set_affinity	= set_remapped_irq_affinity;
+	x86_io_apic_ops.setup_entry	= setup_ioapic_remapped_entry;
 	x86_msi.setup_msi_irqs		= irq_remapping_setup_msi_irqs;
 	x86_msi.setup_hpet_msi		= setup_hpet_msi_remapped;
 }