diff --git a/oslo_utils/eventletutils.py b/oslo_utils/eventletutils.py
index 30fc41c3..5d3c0a68 100644
--- a/oslo_utils/eventletutils.py
+++ b/oslo_utils/eventletutils.py
@@ -150,13 +150,15 @@ class EventletEvent(object):
     """
     def __init__(self, *args, **kwargs):
         super(EventletEvent, self).__init__()
+        self._set = False
         self.clear()
 
     def clear(self):
         old_event = getattr(self, "_event", None)
+        was_set = self._set
         self._set = False
         self._event = _eventlet.event.Event()
-        if old_event is not None:
+        if old_event is not None and not was_set:
             old_event.send(True)
 
     def is_set(self):
diff --git a/oslo_utils/tests/test_eventletutils.py b/oslo_utils/tests/test_eventletutils.py
index 96205f01..b6ce9957 100644
--- a/oslo_utils/tests/test_eventletutils.py
+++ b/oslo_utils/tests/test_eventletutils.py
@@ -200,3 +200,13 @@ class EventletUtilsTest(test_base.BaseTestCase):
         b = greenthread.spawn(thread_b)
         with eventlet.timeout.Timeout(0.7):
             b.wait()
+
+    @mock.patch('oslo_utils.eventletutils._eventlet.event.Event')
+    def test_event_clear_already_sent(self, mock_event):
+        old_event = mock.Mock()
+        new_event = mock.Mock()
+        mock_event.side_effect = [old_event, new_event]
+        event = eventletutils.EventletEvent()
+        event.set()
+        event.clear()
+        self.assertEqual(1, old_event.send.call_count)