Index: branches/version-2_5-dev/html/install/index.php
===================================================================
--- branches/version-2_5-dev/html/install/index.php	(revision 19996)
+++ branches/version-2_5-dev/html/install/index.php	(revision 20029)
@@ -409,6 +409,5 @@
         DATA_REALDIR . "downloads/",
         DATA_REALDIR . "upload/",
-        HTML_REALDIR . ADMIN_DIR,
-        HTML_REALDIR
+        HTML_REALDIR,
     );
 
@@ -418,6 +417,6 @@
         // listdirsの保持データを初期化
         initdirs();
-        if (is_dir($val) and $val != HTML_REALDIR .ADMIN_DIR and $val != HTML_REALDIR) {
-           $arrDirs = listdirs($val);
+        if (is_dir($val) and $val != HTML_REALDIR) {
+            $arrDirs = listdirs($val);
         } else {
             $arrDirs = array($val);