return title if sort_descending is not defined

1 files changed, 3 insertions, 0 deletions

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index b74fa27..7171fbb 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -20,6 +20,9 @@ module ApplicationHelper
 	end
 
   def sortable(column, title)
+    if !defined?(sort_descending)
+      return title
+    end
     link_class = (column.to_s == sort_column.to_s) ? "sort_descending #{sort_descending}" : nil
     desc = (column.to_s == sort_column.to_s) ? !!(!sort_descending && column) : nil
     link_to title, {:sort => column, :desc => desc, :type => @type}, {:class => link_class}