diff --git a/services/tunnelbroker/src/Amqp/AmqpManager.cpp b/services/tunnelbroker/src/Amqp/AmqpManager.cpp
--- a/services/tunnelbroker/src/Amqp/AmqpManager.cpp
+++ b/services/tunnelbroker/src/Amqp/AmqpManager.cpp
@@ -40,8 +40,8 @@
   });
 
   AMQP::Table arguments;
-  arguments["x-message-ttl"] = std::to_string(AMQP_MESSAGE_TTL);
-  arguments["x-expires"] = std::to_string(AMQP_QUEUE_TTL);
+  arguments["x-message-ttl"] = AMQP_MESSAGE_TTL;
+  arguments["x-expires"] = AMQP_QUEUE_TTL;
   this->amqpChannel->declareExchange(fanoutExchangeName, AMQP::fanout);
   this->amqpChannel->declareQueue(tunnelbrokerID, AMQP::durable, arguments)
       .onSuccess([this, tunnelbrokerID, fanoutExchangeName](