diff --git a/defaults/main.yml b/defaults/main.yml
index b8764da..97c50f9 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -33,6 +33,7 @@ rabbitmq_plugins:
   - rabbitmq_mqtt
   - rabbitmq_federation
   - rabbitmq_federation_management
+  - rabbitmq_peer_discovery_common
 
 # If you want monitoring, set these in your playbooks
 #rabbitmq_monitoring_username: mq-monitoring
diff --git a/templates/etc/rabbitmq/rabbitmq.conf.j2 b/templates/etc/rabbitmq/rabbitmq.conf.j2
index 01d9e86..700058d 100644
--- a/templates/etc/rabbitmq/rabbitmq.conf.j2
+++ b/templates/etc/rabbitmq/rabbitmq.conf.j2
@@ -39,6 +39,7 @@ password_hashing_module = rabbit_password_hashing_sha256
 
 cluster_partition_handling  = autoheal
 cluster_formation.node_type = disc
+cluster_formation.peer_discovery_backend = classic_config
 
 product.name    = RockyMQ!
 product.version = 0.0.1