diff --git a/p4app/controller.py b/p4app/controller.py
index bfd672f..81a3a46 100644
--- a/p4app/controller.py
+++ b/p4app/controller.py
@@ -110,7 +110,7 @@ class L2Controller(object):
 
         self.controller.table_clear("v6_addresses")
         for v6addr in self.v6_addresses[self.mode]:
-            self.controller.table_add("v6_address", "icmp6_answer", [v6addr['addr']], [v4addr['port']])
+            self.controller.table_add("v6_address", "icmp6_answer", [v6addr['addr']], [v6addr['port']])