From 51d89365b58f01ef08c1220dd6a2738b0819f763 Mon Sep 17 00:00:00 2001
From: zhengchun <zhengchunster@gmail.com>
Date: Fri, 15 May 2020 23:24:33 +0800
Subject: [PATCH] fix #48

---
 query.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/query.go b/query.go
index 7b46864..47f8076 100644
--- a/query.go
+++ b/query.go
@@ -76,6 +76,7 @@ func (a *ancestorQuery) Select(t iterator) NodeNavigator {
 				return nil
 			}
 			first := true
+			node = node.Copy()
 			a.iterator = func() NodeNavigator {
 				if first && a.Self {
 					first = false