diff --git a/.mdl_style.rb b/.mdl_style.rb
index 446a94aa22a7202287c4e6d34c0b5a5bc47f19e1..ce318172a6eebdc683645c11e5499963f5ca41a5 100644
--- a/.mdl_style.rb
+++ b/.mdl_style.rb
@@ -4,5 +4,4 @@ all
 # default in next version, remove then
 #   "MD003": { "style": "atx_closed" 
 # rule 'MD007', :indent => 3
-# rule 'MD029', :style => :ordered
-exclude_rule 'MD029'
+rule 'MD029', :ordered