diff --git a/example.rb b/example.rb
index 9063960..e52dc3b 100644
--- a/example.rb
+++ b/example.rb
@@ -10,7 +10,7 @@
 # rbenv-tip: checkout rbenv-vars, it's awesome!
 #            https://github.com/sstephenson/rbenv-vars/
 
-bs = Hetzner::Bootstrap.new :api => Hetzner::API.new(ENV['ROBOT_USER'], ENV['ROBOT_PASSWORD'])
+bs = Hetzner::Bootstrap.new(api: Hetzner::API.new(ENV['ROBOT_USER'], ENV['ROBOT_PASSWORD']))
 
 # 2 disks, software raid 1, etc.
 template = <<EOT