diff --git a/lib/plugins/awesome_nested_set/lib/awesome_nested_set/awesome_nested_set.rb b/lib/plugins/awesome_nested_set/lib/awesome_nested_set/awesome_nested_set.rb
index a6c7cf299..4cb527762 100644
--- a/lib/plugins/awesome_nested_set/lib/awesome_nested_set/awesome_nested_set.rb
+++ b/lib/plugins/awesome_nested_set/lib/awesome_nested_set/awesome_nested_set.rb
@@ -542,7 +542,7 @@ module CollectiveIdea #:nodoc:
           right_most_node =
             self.class.base_class.unscoped.
               order("#{quoted_right_column_full_name} desc").limit(1).lock(true).first
-          right_most_node ? right_most_node[right_column_name] : 0
+          right_most_node ? (right_most_node[right_column_name] || 0) : 0
         end
 
         # on creation, set automatically lft and rgt to the end of the tree