diff --git a/app/models/experience.rb b/app/models/experience.rb
index 03a5ad6..0066fd9 100644
--- a/app/models/experience.rb
+++ b/app/models/experience.rb
@@ -25,7 +25,7 @@ class Experience
 
   before_validation :add_http
 
-   scope :sort_for_frontend, ->{ where(:is_hidden=>false).order_by(:start_date=>'desc') }
+   scope :sort_for_frontend, ->{ where(:is_hidden=>false).order_by(:start_date => "desc")}
 
   def duration
     if !self.start_date.nil? or !self.end_date.nil?
@@ -54,7 +54,6 @@ class Experience
         "plugin_data_title" => I18n.t("personal_experience.#{t}")
       }
     end
-
     plugin_datas = datas.sort_for_frontend.collect do |p|
       
       pd_data = []