diff --git a/app/models/journal_paper.rb b/app/models/journal_paper.rb
index e6df458..78e138f 100644
--- a/app/models/journal_paper.rb
+++ b/app/models/journal_paper.rb
@@ -81,7 +81,7 @@ class JournalPaper
 
     fields_to_show.each do |t|
       if (self.fields[t].type.to_s == "String" rescue false)
-        fields_to_remove << t if (datas.where(t.to_sym.ne => nil, t.to_sym.ne => "").count == 0 rescue false)
+        fields_to_remove << t if (datas.where(t.to_sym.ne => nil).or(t.to_sym.ne => "").count == 0 rescue false)
       else
         fields_to_remove << t if (datas.where(t.to_sym.ne => nil).count == 0 rescue false)
       end