diff --git a/activerecord/test/fixtures/reply.rb b/activerecord/test/fixtures/reply.rb
index d0ec895127..ed22deaa74 100755
--- a/activerecord/test/fixtures/reply.rb
+++ b/activerecord/test/fixtures/reply.rb
@@ -1,3 +1,5 @@
+require 'fixtures/topic'
+
 class Reply < Topic
   belongs_to :topic, :foreign_key => "parent_id", :counter_cache => true
   has_many :silly_replies, :dependent => true, :foreign_key => "parent_id"
@@ -31,4 +33,4 @@ class Reply < Topic
 end
 
 class SillyReply < Reply
-end
\ No newline at end of file
+end