diff --git a/app/controllers/personal_conferences_controller.rb b/app/controllers/personal_conferences_controller.rb
index 216556e..e18380c 100644
--- a/app/controllers/personal_conferences_controller.rb
+++ b/app/controllers/personal_conferences_controller.rb
@@ -174,7 +174,7 @@ class PersonalConferencesController < ApplicationController
       "isi_number" ,
       "language" 
     ]
-    @fields_to_show = @fields_to_show.map{|fs| (fs.to_s!="period" ? [t(personal_conference."#{fs}"), fs] : ["peroid", fs])}
+    @fields_to_show = @fields_to_show.map{|fs| [t(personal_conference."#{fs}"), fs] }
     @default_fields_to_show = [
       "authors",
       "paper_title",