diff --git a/lib/Doctrine/DBAL/Types/SmallIntType.php b/lib/Doctrine/DBAL/Types/SmallIntType.php
index feebe359c..0890aec00 100644
--- a/lib/Doctrine/DBAL/Types/SmallIntType.php
+++ b/lib/Doctrine/DBAL/Types/SmallIntType.php
@@ -7,7 +7,7 @@ namespace Doctrine\DBAL\Types;
  *
  * @author robo
  */
-class SmallIntType
+class SmallIntType extends Type
 {
     public function getName()
     {