diff --git a/test/unit/common/ring/test_ring.py b/test/unit/common/ring/test_ring.py
index 2bf97aff97..d02b8d2e63 100644
--- a/test/unit/common/ring/test_ring.py
+++ b/test/unit/common/ring/test_ring.py
@@ -50,9 +50,7 @@ class TestRingBase(unittest.TestCase):
 class TestRingData(unittest.TestCase):
 
 def setUp(self):
- self.testdir = os.path.join(os.path.dirname(__file__), 'ring_data')
- rmtree(self.testdir, ignore_errors=1)
- os.mkdir(self.testdir)
+ self.testdir = mkdtemp()
 
 def tearDown(self):
 rmtree(self.testdir, ignore_errors=1)
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