Merge branch 'master' of github.com:benedikt/mongoid-tree

benedikt · Jun 27, 2014 · 07fc84e · 07fc84e
2 parents d8161af + d792828
commit 07fc84e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/mongoid/tree.rb b/lib/mongoid/tree.rb
@@ -1,3 +1,5 @@
+require 'active_support/concern'
+
 module Mongoid
   ##
   # = Mongoid::Tree