diff --git a/octavia/api/single.yml b/octavia/api/single.yml
index 54e0abb..c42009d 100644
--- a/octavia/api/single.yml
+++ b/octavia/api/single.yml
@@ -23,6 +23,7 @@
         protocol: ${_param:cluster_internal_protocol}
       message_queue:
         host: ${_param:openstack_message_queue_address}
+        port: ${_param:openstack_rabbitmq_port}
         x509:
           enabled: ${_param:openstack_rabbitmq_x509_enabled}
           ca_file: ${_param:rabbitmq_octavia_ssl_ca_file}