diff --git a/Rakefile b/Rakefile
index 889985c1c4..f4a0938542 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,4 +1,5 @@
 require 'rubygems'
 require 'puppetlabs_spec_helper/rake_tasks'
 require 'puppet-lint/tasks/puppet-lint'
+PuppetLint.configuration.fail_on_warnings = true
 PuppetLint.configuration.send('disable_80chars')