diff --git a/plugins/acl-file/plugin.c b/plugins/acl-file/plugin.c
index dfc6d927..05f690e5 100644
--- a/plugins/acl-file/plugin.c
+++ b/plugins/acl-file/plugin.c
@@ -78,6 +78,8 @@ int mosquitto_plugin_cleanup(void *user_data, struct mosquitto_opt *options, int
 	mosquitto_callback_unregister(mosq_pid, MOSQ_EVT_RELOAD, acl_file__reload, NULL);
 
 	acl_file__cleanup(data);
+	mosquitto_FREE(data->acl_file);
+	mosquitto_FREE(data);
 
 	return MOSQ_ERR_SUCCESS;
 }