diff --git a/libraries/pacemaker.rb b/libraries/pacemaker.rb
index 4c07a13..f811665 100644
--- a/libraries/pacemaker.rb
+++ b/libraries/pacemaker.rb
@@ -1,4 +1,6 @@
-require File.expand_path('pacemaker/resource/primitive', File.dirname(__FILE__))
-require File.expand_path('pacemaker/resource/clone', File.dirname(__FILE__))
-require File.expand_path('pacemaker/resource/group', File.dirname(__FILE__))
-require File.expand_path('pacemaker/constraint/colocation', File.dirname(__FILE__))
+this_dir = File.dirname(__FILE__)
+
+require File.expand_path('pacemaker/resource/primitive',    this_dir)
+require File.expand_path('pacemaker/resource/clone',        this_dir)
+require File.expand_path('pacemaker/resource/group',        this_dir)
+require File.expand_path('pacemaker/constraint/colocation', this_dir)