Index: branches/version-2_4/data/class/pages/admin/products/LC_Page_Admin_Products_Product.php
===================================================================
--- branches/version-2_4/data/class/pages/admin/products/LC_Page_Admin_Products_Product.php	(revision 17814)
+++ branches/version-2_4/data/class/pages/admin/products/LC_Page_Admin_Products_Product.php	(revision 17935)
@@ -180,5 +180,5 @@
             $this->arrErr = array_merge((array)$this->arrErr, (array)$this->objUpFile->checkEXISTS($_POST['image_key']));
             // 画像保存処理
-            $this->arrErr[$_POST['image_key']] = $this->objUpFile->makeTempFile($_POST['image_key']);
+            $this->arrErr[$_POST['image_key']] = $this->objUpFile->makeTempFile($_POST['image_key'],IMAGE_RENAME);
 
             // 中、小画像生成