---
 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
@@ -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)
-            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)