diff --git a/hw/audio/via-ac97.c b/hw/audio/via-ac97.c
index 30095a4c7a..4c127a1def 100644
--- a/hw/audio/via-ac97.c
+++ b/hw/audio/via-ac97.c
@@ -211,14 +211,14 @@ static void out_cb(void *opaque, int avail)
                     AUD_set_active_out(s->vo, 0);
                 }
                 if (c->type & STAT_EOL) {
-                    pci_set_irq(&s->dev, 1);
+                    via_isa_set_irq(&s->dev, 0, 1);
                 }
             }
             if (CLEN_IS_FLAG(c)) {
                 c->stat |= STAT_FLAG;
                 c->stat |= STAT_PAUSED;
                 if (c->type & STAT_FLAG) {
-                    pci_set_irq(&s->dev, 1);
+                    via_isa_set_irq(&s->dev, 0, 1);
                 }
             }
             if (CLEN_IS_STOP(c)) {
@@ -305,13 +305,13 @@ static void sgd_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
         if (val & STAT_EOL) {
             s->aur.stat &= ~(STAT_EOL | STAT_PAUSED);
             if (s->aur.type & STAT_EOL) {
-                pci_set_irq(&s->dev, 0);
+                via_isa_set_irq(&s->dev, 0, 0);
             }
         }
         if (val & STAT_FLAG) {
             s->aur.stat &= ~(STAT_FLAG | STAT_PAUSED);
             if (s->aur.type & STAT_FLAG) {
-                pci_set_irq(&s->dev, 0);
+                via_isa_set_irq(&s->dev, 0, 0);
             }
         }
         break;
diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
index a3eb6769fc..9c2333a277 100644
--- a/hw/isa/vt82c686.c
+++ b/hw/isa/vt82c686.c
@@ -622,6 +622,7 @@ void via_isa_set_irq(PCIDevice *d, int pin, int level)
         break;
     case 2: /* USB ports 0-1 */
     case 3: /* USB ports 2-3 */
+    case 5: /* AC97 audio */
         max_irq = 14;
         break;
     }