diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 94635fcbee..fe519d908d 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -405,6 +405,8 @@ static void vhost_vdpa_net_client_stop(NetClientState *nc)
     dev = s->vhost_vdpa.dev;
     if (dev->vq_index + dev->nvqs == dev->vq_index_end) {
         g_clear_pointer(&s->vhost_vdpa.iova_tree, vhost_iova_tree_delete);
+    } else {
+        s->vhost_vdpa.iova_tree = NULL;
     }
 }