diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 3610d7e233d9189bfdae7f955cd81e423bb422d1..c65765a27338ed2b83356d6bbb3521728d071965 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -254,8 +254,8 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val)
         virtio_queue_set_vector(vdev, vdev->queue_sel, val);
         break;
     default:
-        fprintf(stderr, "%s: unexpected address 0x%x value 0x%x\n",
-                __func__, addr, val);
+        error_report("%s: unexpected address 0x%x value 0x%x",
+                     __func__, addr, val);
         break;
     }
 }