diff --git a/cake/libs/model/datasources/dbo/dbo_postgres.php b/cake/libs/model/datasources/dbo/dbo_postgres.php
index a0c0eb3f5..4389553fe 100644
--- a/cake/libs/model/datasources/dbo/dbo_postgres.php
+++ b/cake/libs/model/datasources/dbo/dbo_postgres.php
@@ -600,7 +600,7 @@ class DboPostgres extends DboSource {
 								}
 
 								if (isset($default)) {
-									$colList[] = 'ALTER COLUMN '. $fieldName .'  SET DEFAULT ' . $this->value($default, $field);
+									$colList[] = 'ALTER COLUMN '. $fieldName .'  SET DEFAULT ' . $this->value($default, $col['type']);
 								} else {
 									$colList[] = 'ALTER COLUMN '. $fieldName .'  DROP DEFAULT';
 								}