diff --git a/test/ganeti.locking_unittest.py b/test/ganeti.locking_unittest.py
index 5cf2d47521b2490afd5b8dae90fe7313235cb073..aa1c09247a1ef18fb3a8b0bda873a3fc04082927 100755
--- a/test/ganeti.locking_unittest.py
+++ b/test/ganeti.locking_unittest.py
@@ -462,6 +462,7 @@ class TestLockSet(unittest.TestCase):
     Thread(target=self._doLockSet, args=(['three'], 0)).start()
     Thread(target=self._doLockSet, args=(['two'], 1)).start()
     Thread(target=self._doAddSet, args=(['nine'])).start()
+    self.assertRaises(Queue.Empty, self.done.get, True, 0.2)
     self.ls.release()
     self.assertEqual(self.done.get(True, 1), 'DONE')
     self.assertEqual(self.done.get(True, 1), 'DONE')