diff --git a/activerecord/examples/performance.rb b/activerecord/examples/performance.rb
index 12153b490af61..6841a04270576 100755
--- a/activerecord/examples/performance.rb
+++ b/activerecord/examples/performance.rb
@@ -75,13 +75,13 @@ def self.feel(exhibits) exhibits.each { |e| e.feel } end
   puts 'Inserting 10,000 users and exhibits...'
   10_000.times do
     user = User.create(
-      :created_on => today,
+      :created_at => today,
       :name       => Faker::Name.name,
       :email      => Faker::Internet.email
     )
 
     Exhibit.create(
-      :created_on => today,
+      :created_at => today,
       :name       => Faker::Company.name,
       :user       => user,
       :notes      => notes