diff --git a/puppet/services/rabbitmq.yaml b/puppet/services/rabbitmq.yaml
index 1c25be3e29..58b92b30ef 100644
--- a/puppet/services/rabbitmq.yaml
+++ b/puppet/services/rabbitmq.yaml
@@ -104,6 +104,7 @@ outputs:
             rabbitmq::wipe_db_on_cookie_change: true
             rabbitmq::port: 5672
             rabbitmq::loopback_users: []
+            rabbitmq::tcp_backlog: 4096
             rabbitmq::package_provider: yum
             rabbitmq::package_source: undef
             rabbitmq::repos_ensure: false