diff --git a/reference/pdo_mysql/constants.xml b/reference/pdo_mysql/constants.xml
index 6d48bd8f60..8cf0a97015 100644
--- a/reference/pdo_mysql/constants.xml
+++ b/reference/pdo_mysql/constants.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.8 $ -->
+<!-- $Revision: 1.9 $ -->
 <section id="pdo-mysql.constants">
  &reftitle.constants;
  &pdo.driver-constants;
@@ -21,7 +21,7 @@
      <programlisting role='php'>
 <![CDATA[
 <?php
-if ($db->getAttribute(PDO::ATTR_DRIVERNAME) == 'mysql') {
+if ($db->getAttribute(PDO::ATTR_DRIVER_NAME) == 'mysql') {
     $stmt = $db->prepare('select * from foo',
         array(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY => true));
 } else {