1 files changed, 1 insertions, 1 deletions
diff --git a/lib/dataset.rb b/lib/dataset.rb
index e0f2d5a..4816b5a 100644
--- a/lib/dataset.rb
+++ b/lib/dataset.rb
@@ -22,7 +22,7 @@ module OpenTox
       CSV.generate do |csv|
         csv << ["SMILES"] + @features.collect{|f| f.title}
         @compounds.each_with_index do |c,i|
-          csv << [c.to_smiles] + @data_entries[i]
+          csv << [c.smiles] + @data_entries[i]
         end
       end
     end