diff --git a/p4app/controller.py b/p4app/controller.py
index a1f13e6..89bbec2 100644
--- a/p4app/controller.py
+++ b/p4app/controller.py
@@ -149,9 +149,8 @@ class L2Controller(object):
             net = self.prefix_to_net(v6route['net'], self.v6_mask)
             self.controller.table_add("v6_networks", "set_egress_port", [net], [v6route['port']])
 
-        for v6net in self.info['ndp_multicast']:
-            net = str(v6net)
-            self.controller.table_add("v6_networks", "controller_reply", [net])
+        net = str(self.info['ndp_multicast'])
+        self.controller.table_add("v6_networks", "controller_reply", [net])
 
 
         self.controller.table_clear("v4_routing")