diff --git a/src/Url/UrlUtil.php b/src/Url/UrlUtil.php
index b83fdae3..ba78ea00 100644
--- a/src/Url/UrlUtil.php
+++ b/src/Url/UrlUtil.php
@@ -92,7 +92,7 @@ public function removeQueryString(array $params, $url = null)
             return $strUrl;
         }
 
-        $explodedUrl = explode('?', $url, 2);
+        $explodedUrl = explode('?', $strUrl, 2);
 
         if (2 === count($explodedUrl)) {
             list($script, $queryString) = $explodedUrl;