diff --git a/lib/Doctrine/Formatter.php b/lib/Doctrine/Formatter.php
index 78d1b60a3..6089e0500 100644
--- a/lib/Doctrine/Formatter.php
+++ b/lib/Doctrine/Formatter.php
@@ -148,6 +148,7 @@ class Doctrine_Formatter extends Doctrine_Connection_Module
             case 'double':
             case 'float':
             case 'bool':
+            case 'decimal':
             case 'int':
                 return $input;
             case 'array':