From e8a80af4132bc200dc61a82b5e522ec1e5390086 Mon Sep 17 00:00:00 2001
From: Alexander Makarov <sam@rmcreative.ru>
Date: Tue, 7 Jan 2014 12:57:38 +0400
Subject: [PATCH] fixes #1811

---
 framework/yii/web/Request.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/framework/yii/web/Request.php b/framework/yii/web/Request.php
index b8c2a592c7..f2298e6a4e 100644
--- a/framework/yii/web/Request.php
+++ b/framework/yii/web/Request.php
@@ -584,7 +584,9 @@ class Request extends \yii\base\Request
 			throw new InvalidConfigException('Unable to determine the path info of the current request.');
 		}
 
-		if ($pathInfo[0] === '/') {
+		if ($pathInfo === '/') {
+			$pathInfo = '';
+		} else if ($pathInfo[0] === '/') {
 			$pathInfo = substr($pathInfo, 1);
 		}