diff --git a/hw/isa/piix3.c b/hw/isa/piix3.c
index c17547a2c0..616f5418fa 100644
--- a/hw/isa/piix3.c
+++ b/hw/isa/piix3.c
@@ -36,7 +36,7 @@
 
 static void piix3_set_irq_pic(PIIX3State *piix3, int pic_irq)
 {
-    qemu_set_irq(piix3->pic[pic_irq],
+    qemu_set_irq(piix3->isa_irqs_in[pic_irq],
                  !!(piix3->pic_levels &
                     (((1ULL << PIIX_NUM_PIRQS) - 1) <<
                      (pic_irq * PIIX_NUM_PIRQS))));
@@ -312,7 +312,8 @@ static void pci_piix3_init(Object *obj)
 {
     PIIX3State *d = PIIX3_PCI_DEVICE(obj);
 
-    qdev_init_gpio_out_named(DEVICE(obj), d->pic, "isa-irqs", ISA_NUM_IRQS);
+    qdev_init_gpio_out_named(DEVICE(obj), d->isa_irqs_in, "isa-irqs",
+                             ISA_NUM_IRQS);
 
     object_initialize_child(obj, "rtc", &d->rtc, TYPE_MC146818_RTC);
 }
diff --git a/include/hw/southbridge/piix.h b/include/hw/southbridge/piix.h
index bb898c6c88..b07ff6bb26 100644
--- a/include/hw/southbridge/piix.h
+++ b/include/hw/southbridge/piix.h
@@ -46,7 +46,7 @@ struct PIIXState {
 #endif
     uint64_t pic_levels;
 
-    qemu_irq pic[ISA_NUM_IRQS];
+    qemu_irq isa_irqs_in[ISA_NUM_IRQS];
 
     /* This member isn't used. Just for save/load compatibility */
     int32_t pci_irq_levels_vmstate[PIIX_NUM_PIRQS];