diff --git a/daphne/server.py b/daphne/server.py
index b131828..4d15453 100755
--- a/daphne/server.py
+++ b/daphne/server.py
@@ -131,7 +131,9 @@ class Server(object):
         Called when a listen succeeds so we can store port details (if there are any)
         """
         if hasattr(port, "getHost"):
-            self.listening_addresses.append((port.getHost().host, port.getHost().port))
+            host = port.getHost()
+            if hasattr(host, 'host') and hasattr(host, 'port'):
+                self.listening_addresses.append((host.host, host.port))
 
     def listen_error(self, failure):
         logger.critical("Listen failure: %s", failure.getErrorMessage())