diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 7461a587b39b4e9d953e3a0063b9f1fb8cad0319..dcf2c724fd066c33cf74a3f502d2ae6ba3d276bc 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -2524,7 +2524,7 @@ static int ahci_host_activate_multi_irqs(struct ata_host *host,
 
 		/* Do not receive interrupts sent by dummy ports */
 		if (!pp) {
-			disable_irq(irq + i);
+			disable_irq(irq);
 			continue;
 		}