diff --git a/ensure_seeded.sql b/ensure_seeded.sql
index ec0e898..2934a84 100644
--- a/ensure_seeded.sql
+++ b/ensure_seeded.sql
@@ -21,6 +21,24 @@ values
 on conflict do nothing
 ;
 
+do language plpgsql $$
+declare
+  root int;
+  admins int;
+begin
+  root := (public.usr_root()).id;
+  admins := (public.grp_admins()).id;
+
+  insert into public.perm
+    (path, owner_user, owner_group, owner_user_mode, owner_group_mode, everyone_mode)
+  values
+    ('/communities/', root, admins, 'w', 'w', 'r')
+  , ('/users/', root, admins, 'w', 'w', 'w')
+  , ('/groups/', root, admins, 'w', 'w', 'w')
+  ;
+end;
+$$;
+
 -- human_uuid.object >>
 insert into human_uuid.object (word)
 values