@@ -281,7 +281,7 @@ class InvalidationBatch(object):

         tree = ET.Element("InvalidationBatch")

         for path in self.paths:

-            if path[0] != "/":

+            if len(path) < 1 or path[0] != "/":

                 path = "/" + path

             appendXmlTextNode("Path", path, tree)

         appendXmlTextNode("CallerReference", self.reference, tree)