diff --git "a/tests/data/t '\".xz" b/tests/data/t .xz
similarity index 100%
rename from "tests/data/t '\".xz"
rename to tests/data/t .xz
diff --git a/tests/test_archives.py b/tests/test_archives.py
index 11eb080..283e6b6 100644
--- a/tests/test_archives.py
+++ b/tests/test_archives.py
@@ -285,9 +285,9 @@ class TestArchives (ArchiveTest):
     @needs_program('xz')
     def test_xz (self):
         self.program = 'xz'
-        self.archive_test('t \'".xz')
-        self.archive_extract('t \'".xz')
-        self.archive_create('t \'".xz', singlefile=True)
+        self.archive_test('t .xz')
+        self.archive_extract('t .xz')
+        self.archive_create('t .xz', singlefile=True)
 
     @needs_program('lha')
     def test_lha (self):
diff --git a/tests/test_mime.py b/tests/test_mime.py
index 00c0400..170e8b8 100644
--- a/tests/test_mime.py
+++ b/tests/test_mime.py
@@ -95,7 +95,7 @@ class TestMime (unittest.TestCase):
         self.mime_test_file("t.tgz.foo", "application/x-tar", "gzip")
         self.mime_test_file("t.txt.gz", "application/x-gzip", None)
         self.mime_test_file("t.txt.gz.foo", "application/x-gzip", None)
-        self.mime_test_file("t '\".xz", "application/x-xz", None)
+        self.mime_test_file("t .xz", "application/x-xz", None)
         self.mime_test_file("t.xz.foo", "application/x-xz", None)
         self.mime_test_file("t.Z", "application/x-compress", None)
         self.mime_test_file("t.Z.foo", "application/x-compress", None)
@@ -148,7 +148,7 @@ class TestMime (unittest.TestCase):
         self.mime_test_mimedb("t.tbz2", "application/x-tar", "bzip2")
         self.mime_test_mimedb("t.tgz", "application/x-tar", "gzip")
         self.mime_test_mimedb("t.txt.gz", "application/x-gzip", None)
-        self.mime_test_mimedb("t '\".xz", "application/x-xz", None)
+        self.mime_test_mimedb("t .xz", "application/x-xz", None)
         self.mime_test_mimedb("t.Z", "application/x-compress", None)
         self.mime_test_mimedb("t.zip", "application/zip", None)
         self.mime_test_mimedb("t.ace", "application/x-ace", None)