diff --git a/kombu/pools.py b/kombu/pools.py
index 72c03335..34ab9b91 100644
--- a/kombu/pools.py
+++ b/kombu/pools.py
@@ -89,7 +89,7 @@ class Connections(PoolGroup):
 connections = register_group(Connections())
 
 
-class Producers(HashingDict):
+class Producers(PoolGroup):
 
     def create(self, connection, limit):
         return ProducerPool(connections[connection], limit=limit)