diff --git a/test/test_structures.py b/test/test_structures.py
index 8ac36609c..24a1f1feb 100644
--- a/test/test_structures.py
+++ b/test/test_structures.py
@@ -586,7 +586,7 @@ class TestTimeoutQueue(SupyTestCase):
         q.enqueue(3)
         self.assertEqual(len(q), 3)
         self.assertEqual(sum(q), 6)
-        time.sleep(1)
+        time.sleep(1.1)
         self.assertEqual(len(q), 0)
         self.assertEqual(sum(q), 0)
 
@@ -599,7 +599,7 @@ class TestTimeoutQueue(SupyTestCase):
         q.enqueue(3)
         self.assertEqual(len(q), 3)
         self.assertEqual(sum(q), 6)
-        time.sleep(1)
+        time.sleep(1.1)
         self.assertEqual(len(q), 0)
         self.assertEqual(sum(q), 0)
 
@@ -608,9 +608,9 @@ class TestTimeoutQueue(SupyTestCase):
         q.enqueue(1)
         self.failUnless(1 in q)
         self.failIf(2 in q)
-        time.sleep(1)
+        time.sleep(1.1)
         self.failIf(1 in q)
-        
+
 
 # vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: