diff --git a/lib/event_source/protocols/http/faraday_queue_proxy.rb b/lib/event_source/protocols/http/faraday_queue_proxy.rb
index 646c2f7..6214696 100644
--- a/lib/event_source/protocols/http/faraday_queue_proxy.rb
+++ b/lib/event_source/protocols/http/faraday_queue_proxy.rb
@@ -52,7 +52,7 @@ def subscribe(subscriber_klass, _options)
           unique_key = [app_name, formatted_exchange_name].join(delimiter)
           logger.debug "FaradayQueueProxy#register_subscription Subscriber Class #{subscriber_klass}"
           logger.debug "FaradayQueueProxy#register_subscription Unique_key #{unique_key}"
-          @subject.register_action(subscriber_klass, action)
+          @subject.register_action(subscriber_klass, unique_key)
         end
 
         def consumer_proxy_for(operation_bindings)