diff --git a/FWCore/ParameterSet/python/Types.py b/FWCore/ParameterSet/python/Types.py
index a6e34aa6dad82..d1794bef80772 100644
--- a/FWCore/ParameterSet/python/Types.py
+++ b/FWCore/ParameterSet/python/Types.py
@@ -151,7 +151,8 @@ def insertInto(self, parameterSet, myname):
         parameterSet.addBool(self.isTracked(), myname, self.value())
     def __nonzero__(self):
         return self.value()
-
+    def __bool__(self):
+        return self.__nonzero__()
 
 
 class string(_SimpleParameterTypeBase):