diff --git a/lib/data_cleanup/rules/note/delete_note_without_answer.rb b/lib/data_cleanup/rules/note/delete_note_without_answer.rb
index 31a6192..6ad713c 100644
--- a/lib/data_cleanup/rules/note/delete_note_without_answer.rb
+++ b/lib/data_cleanup/rules/note/delete_note_without_answer.rb
@@ -10,7 +10,7 @@
         end
 
         def call
-          ::Note.where(answer_id: nil).delete_all()
+          ::Note.where(answer_id: ["", nil]).delete_all()
         end
       end
     end