diff --git a/tests/libqos/virtio-net.c b/tests/libqos/virtio-net.c
index 6567beb..710d440 100644
--- a/tests/libqos/virtio-net.c
+++ b/tests/libqos/virtio-net.c
@@ -44,11 +44,11 @@
 
     features = qvirtio_get_features(vdev);
     features &= ~(QVIRTIO_F_BAD_FEATURE |
-                  (1u << VIRTIO_RING_F_INDIRECT_DESC) |
-                  (1u << VIRTIO_RING_F_EVENT_IDX));
+                  (1ull << VIRTIO_RING_F_INDIRECT_DESC) |
+                  (1ull << VIRTIO_RING_F_EVENT_IDX));
     qvirtio_set_features(vdev, features);
 
-    if (features & (1u << VIRTIO_NET_F_MQ)) {
+    if (features & (1ull << VIRTIO_NET_F_MQ)) {
         interface->n_queues = qvirtio_config_readw(vdev, 8) * 2;
     } else {
         interface->n_queues = 2;