diff --git a/swift/common/utils.py b/swift/common/utils.py
index 5abac786cf..ce28cea9a7 100644
--- a/swift/common/utils.py
+++ b/swift/common/utils.py
@@ -794,6 +794,9 @@ class Timestamp(object):
     def __nonzero__(self):
         return bool(self.timestamp or self.offset)
 
+    def __bool__(self):
+        return self.__nonzero__()
+
     @property
     def normal(self):
         return NORMAL_FORMAT % self.timestamp