diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 06dab00aaadc..49b9fea518c4 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -880,6 +880,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
 	((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask)) ) {
 		DBG(" -> got IRQ %d\n", irq);
 		msg = "Found";
+		eisa_set_level_irq(irq);
 	} else if (newirq && r->set && (dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) {
 		DBG(" -> assigning IRQ %d", newirq);
 		if (r->set(pirq_router_dev, dev, pirq, newirq)) {