diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index e8fa625..5e4530f 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -23,11 +23,11 @@ require "coveralls"
 module SpecHelper
 end
 
-SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
+SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
   Coveralls::SimpleCov::Formatter,
   SimpleCov::Formatter::HTMLFormatter,
   CodeClimate::TestReporter::Formatter
-]
+])
 SimpleCov.start
 
 require "github_changelog_generator"