diff --git a/close_file_before_test.patch b/close_file_before_test.patch
index b64ded9..c50bdfe 100644
--- a/close_file_before_test.patch
+++ b/close_file_before_test.patch
@@ -1,15 +1,29 @@
 ---
- src/lxml/tests/test_etree.py |    2 ++
- 1 file changed, 2 insertions(+)
+ src/lxml/tests/test_etree.py |    9 ++++++---
+ 1 file changed, 6 insertions(+), 3 deletions(-)
 
 --- a/src/lxml/tests/test_etree.py
 +++ b/src/lxml/tests/test_etree.py
-@@ -5278,6 +5278,8 @@ class ETreeWriteTestCase(HelperTestCase)
+@@ -18,6 +18,7 @@ import re
+ import gc
+ import operator
+ import textwrap
++import tempfile
+ import zlib
+ import gzip
+ 
+@@ -5276,9 +5277,11 @@ class ETreeWriteTestCase(HelperTestCase)
+ 
+     def test_write_file_gzip_parse(self):
          tree = self.parse(_bytes('<a>'+'<b/>'*200+'</a>'))
-         with tmpfile() as filename:
-             tree.write(filename, compression=9)
-+            os.fsync(filename[0])
-+            os.lseek(filename[0], 0, os.SEEK_SET)
-             data = etree.tostring(etree.parse(filename))
+-        with tmpfile() as filename:
+-            tree.write(filename, compression=9)
+-            data = etree.tostring(etree.parse(filename))
++        with tempfile.NamedTemporaryFile() as f:
++            tree.write(f.name, compression=9)
++            f.file.flush()
++            f.file.seek(0)
++            data = etree.tostring(etree.parse(f.name))
          self.assertEqual(_bytes('<a>'+'<b/>'*200+'</a>'),
                            data)
+