diff --git a/test/test_helper.rb b/test/test_helper.rb
index c7ce04c8..da33b1ee 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -5,10 +5,10 @@
   require 'simplecov'
   require 'coveralls'
 
-  SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
+  SimpleCov.formatters = [
     SimpleCov::Formatter::HTMLFormatter,
     Coveralls::SimpleCov::Formatter
-  ])
+  ]
 
   SimpleCov.start do
     command_name 'test'