Index: content.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/cck/content.module,v
--- content.module	2007-11-20 16:20:47.000000000 +0900
+++ content.module.v5.HEAD	2007-11-20 16:54:53.000000000 +0900
@@ -1,5 +1,5 @@
 <?php
-// $Id: content.module,v 1.90.2.44 2007/08/15 18:00:28 yched Exp $
+// $Id: content.module,v 1.90.2.45 2007/11/14 00:02:53 karens Exp $
 
 /**
  * @file
@@ -621,7 +621,7 @@
       if (function_exists($function)) {
         // If we're building a node creation form, pre-fill with default values
         if ($op == 'prepare form values' && empty($node->nid)) {
-          $node_field += content_default_value($node, $field, $node_field);
+          $node_field = array_merge($node_field, content_default_value($node, $field, $node_field));
         }
 
         $result = $function($op, $node, $field, $node_field);