diff --git a/template.php b/template.php
index 5800c14..f9ad14e 100644
--- a/template.php
+++ b/template.php
@@ -17,7 +17,7 @@ function _zurb_foundation_load($files) {
 
   // Workaround for magic constant; for now because of php 5.2 issue
   // http://drupal.org/node/1899620#comment-6988766
-  if( !defined( __DIR__ ) )define( __DIR__, dirname(__FILE__) );
+  if( !defined( '__DIR__' ) )define( '__DIR__', dirname(__FILE__) );
 
   // Check file path and '.inc' extension
   foreach($files as $file) {