diff --git a/data/class/SC_Response.php b/data/class/SC_Response.php
index e7ce2b0398..b692fdf0da 100644
--- a/data/class/SC_Response.php
+++ b/data/class/SC_Response.php
@@ -258,10 +258,9 @@ public static function reload($arrQueryString = array(), $removeQueryString = fa
         // 現在の URL を取得
         $netUrl = new Net_URL($_SERVER['REQUEST_URI']);
 
-        if (!$removeQueryString) {
-            $arrQueryString = array_merge($netUrl->querystring, $arrQueryString);
+        if ($removeQueryString) {
+            $netUrl->querystring = array();
         }
-        $netUrl->querystring = array();
 
         SC_Response_Ex::sendRedirect($netUrl->getURL(), $arrQueryString);
     }