diff --git a/templates/etc/mosquitto/mosquitto.conf.j2 b/templates/etc/mosquitto/mosquitto.conf.j2
index 8c2f28c..15f572b 100644
--- a/templates/etc/mosquitto/mosquitto.conf.j2
+++ b/templates/etc/mosquitto/mosquitto.conf.j2
@@ -617,7 +617,9 @@ password_file {{ mosquitto_password_auth_file }}
 #
 # If an auth_plugin is used as well as acl_file, the auth_plugin check will be
 # made first.
-#acl_file
+{% if mosquitto_acl_enabled %}
+acl_file {{ mosquitto_acl_file }}
+{% endif %}
 
 # -----------------------------------------------------------------
 # External authentication and topic access plugin options