From ba1f6fc77827dba86b1ac0b62aa288dd0f977cb8 Mon Sep 17 00:00:00 2001
From: Christian Weiske <cweiske@cweiske.de>
Date: Tue, 30 Aug 2016 13:05:14 +0200
Subject: [PATCH] Fix notice

---
 src/phinde/Crawler.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/phinde/Crawler.php b/src/phinde/Crawler.php
index 6459fb4..a63815d 100644
--- a/src/phinde/Crawler.php
+++ b/src/phinde/Crawler.php
@@ -47,7 +47,7 @@ class Crawler
             'accept',
             implode(',', array_keys(static::$supportedIndexTypes))
         );
-        if ($existingDoc) {
+        if ($existingDoc && isset($existingDoc->modate)) {
             $nMoDate = strtotime($existingDoc->modate);
             $req->setHeader('If-Modified-Since: ' . date('r', $nMoDate));
         }
-- 
2.30.2