diff --git a/mobify.module b/mobify.module
index 63c2cc4..139382b 100644
--- a/mobify.module
+++ b/mobify.module
@@ -52,13 +52,13 @@
     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-define(CNAME_UNSET, '##########');
-define(MOBIFY_REDIRECT_DEFAULT, CNAME_UNSET);
-define(MOBIFY_PARAM_NAME,'mobify');
-define(MOBIFY_COOKIE_NAME,'mobify');
-define(MOBIFY_COOKIE_EXPIRE,time() + 60 * 60 * 2);
-define(LOGFILENAME,'/tmp/mobify_drupal.log');
-define(DEBUG, 0);
+define("CNAME_UNSET", '##########');
+define("MOBIFY_REDIRECT_DEFAULT", CNAME_UNSET);
+define("MOBIFY_PARAM_NAME",'mobify');
+define("MOBIFY_COOKIE_NAME",'mobify');
+define("MOBIFY_COOKIE_EXPIRE",time() + 60 * 60 * 2);
+define("LOGFILENAME",'/tmp/mobify_drupal.log');
+define("DEBUG", 0);
 
 function mobify_log_to_file($msg)
 {