diff --git a/src/saml2/httpbase.py b/src/saml2/httpbase.py
index 56d4a7e..eeb0a56 100644
--- a/src/saml2/httpbase.py
+++ b/src/saml2/httpbase.py
@@ -177,7 +177,7 @@ class HTTPBase(object):
                             std_attr[attr] = morsel[attr]
                 elif attr == "max-age":
                     if morsel["max-age"]:
-                        std_attr["expires"] = _since_epoch(morsel["max-age"])
+                        std_attr["expires"] = time.time() + int(morsel["max-age"])
 
             for att, item in PAIRS.items():
                 if std_attr[att]:
diff --git a/src/saml2/request.py b/src/saml2/request.py
index e834808..f840db1 100644
--- a/src/saml2/request.py
+++ b/src/saml2/request.py
@@ -75,7 +75,7 @@ class Request(object):
 
     def _verify(self):            
         assert self.message.version == "2.0"
-        if self.message.destination and \
+        if self.message.destination and self.receiver_addrs and \
                 self.message.destination not in self.receiver_addrs:
             logger.error("%s not in %s" % (self.message.destination,
                                                 self.receiver_addrs))