diff --git a/app/models/paper_criteria.rb b/app/models/paper_criteria.rb
index 0f030de..80405d8 100644
--- a/app/models/paper_criteria.rb
+++ b/app/models/paper_criteria.rb
@@ -16,7 +16,8 @@ class PaperCriteria
 
 
   def epaper_topics
-    EPaperTopic.where(:period.gte => self.start_date, :period.lte => self.end_date).can_display
+    tmp = EPaperTopic.where(:period.gte => self.start_date, :period.lte => self.end_date).can_display
+    tmp = EPaperTopic.where(:period.gte => self.start_date, :period.lte => self.end_date).limit(1) if tmp.first.nil?
   end
 
   def other_emails_ids