diff --git a/apps/emqx_authz/etc/emqx_authz.conf b/apps/emqx_authz/etc/emqx_authz.conf
index 28746ebe7..9e65517ad 100644
--- a/apps/emqx_authz/etc/emqx_authz.conf
+++ b/apps/emqx_authz/etc/emqx_authz.conf
@@ -56,11 +56,11 @@ authorization {
        #     selector: { "$or": [ { "username": "%u" }, { "clientid": "%c" } ] }
        # },
        {
-            type: built-in-database 
-            path: "{{ platform_etc_dir }}/acl.conf"
+            type: built-in-database
        }
        {
             type: file
+            # file is loaded into cache
             path: "{{ platform_etc_dir }}/acl.conf"
        }
     ]