From a35f0b0c80eb21988aab765c07fe83e230866e0a Mon Sep 17 00:00:00 2001
From: Alex Debril <alex.debril@gmail.com>
Date: Fri, 21 Dec 2018 23:59:48 +0100
Subject: [PATCH] Compare "lastModified" to 1970-01-01

---
 src/FeedIo/Reader/Fixer/LastModified.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/FeedIo/Reader/Fixer/LastModified.php b/src/FeedIo/Reader/Fixer/LastModified.php
index 8065e640..ef0e0cb3 100644
--- a/src/FeedIo/Reader/Fixer/LastModified.php
+++ b/src/FeedIo/Reader/Fixer/LastModified.php
@@ -22,7 +22,8 @@ class LastModified extends FixerAbstract
      */
     public function correct(FeedInterface $feed) : FixerAbstract
     {
-        if (is_null($feed->getLastModified())) {
+        $date = new \DateTime('@0');
+        if (is_null($feed->getLastModified()) || $feed->getLastModified() == $date ) {
             $this->logger->notice("correct last modified date for feed {$feed->getTitle()}");
             $feed->setLastModified(
                         $this->searchLastModified($feed)