1diff --git a/dbf/test.py b/dbf/test.py
2index 117f611..34a9507 100755
3--- a/dbf/test.py
4+++ b/dbf/test.py
5@@ -4814,6 +4814,7 @@ def test_index_search(self):
6 self.assertEqual(sorted.index_search('jul', partial=True), 9)
7 self.assertTrue(sorted.index_search('jul', partial=True))
8
9+ @unittest.skipIf(sys.platform == 'darwin', 'fails on case-insensitive filesystems')
10 def test_mismatched_extensions(self):
11 old_memo_name = self.dbf_table._meta.memoname
12 new_memo_name = old_memo_name[:-3] + 'Dbt'