diff --git a/test/cases/migration_test.rb b/test/cases/migration_test.rb
index ed080b2..e712a68 100644
--- a/test/cases/migration_test.rb
+++ b/test/cases/migration_test.rb
@@ -665,7 +665,7 @@ def test_copying_migrations_without_timestamps
     assert_equal [@migrations_path + "/4_people_have_hobbies.bukkits.rb", @migrations_path + "/5_people_have_descriptions.bukkits.rb"], copied.map(&:filename)
 
     expected = "# This migration comes from bukkits (originally 1)"
-    assert_equal expected, IO.readlines(@migrations_path + "/4_people_have_hobbies.bukkits.rb")[0].chomp
+    assert_equal expected, File.readlines(@migrations_path + "/4_people_have_hobbies.bukkits.rb")[0].chomp
 
     files_count = Dir[@migrations_path + "/*.rb"].length
     copied = ActiveRecord::Migration.copy(@migrations_path, {:bukkits => MIGRATIONS_ROOT + "/to_copy"})