diff --git a/defaults/main.yml b/defaults/main.yml
index c49a335..a83bfd9 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -7,6 +7,7 @@ mosquitto_group: mosquitto
 mosquitto_port: 1883
 mosquitto_bind_address: "{{ ansible_default_ipv4.address }}"
 
+mosquitto_packages_extra: []
 mosquitto_persistence_enabled: False
 mosquitto_persistence_path: /var/lib/mosquitto/mosquitto.db