diff --git a/README.md b/README.md
index ea5456f..22f32ba 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,13 @@ Install the gem:
 
     rake install
 
+Or use Bundler:
+
+    gem "rspec-quickfix-formatter"
+
 In .rspec:
 
-    --format RSpec::Core::Formatters::QuickFixFormatter
+    --format RSpec::QuickFixFormatter
     --out .quickfix-out
 
 In Vim:
diff --git a/lib/rspec-quickfix-formatter.rb b/lib/rspec-quickfix-formatter.rb
index fc7bbd0..673512a 100644
--- a/lib/rspec-quickfix-formatter.rb
+++ b/lib/rspec-quickfix-formatter.rb
@@ -1 +1,3 @@
-require 'rspec/quickfix-formatter'
+module RSpec
+  require 'rspec/quickfix-formatter'
+end