From 13c94df096a7dbe620186cfd99d0e6acb31f6d7d Mon Sep 17 00:00:00 2001
From: Gabor Hojtsy <gabor@hojtsy.hu>
Date: Thu, 20 Jul 2017 16:00:30 +0200
Subject: [PATCH] Issue #2894112 by tstoeckler: Media::hasSourceFieldChanged()
 must use FieldItemList::equals()

---
 core/modules/media/src/Entity/Media.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/modules/media/src/Entity/Media.php b/core/modules/media/src/Entity/Media.php
index 5d68bdd50577..d175572450c3 100644
--- a/core/modules/media/src/Entity/Media.php
+++ b/core/modules/media/src/Entity/Media.php
@@ -249,8 +249,8 @@ class Media extends EditorialContentEntityBase implements MediaInterface {
    */
   protected function hasSourceFieldChanged() {
     $source_field_name = $this->getSource()->getConfiguration()['source_field'];
-    $current_value = $this->get($source_field_name)->getValue();
-    return (isset($this->original) && $current_value != $this->original->get($source_field_name)->getValue());
+    $current_items = $this->get($source_field_name);
+    return isset($this->original) && !$current_items->equals($this->original->get($source_field_name));
   }
 
   /**