From 8413ae00eadeaeb17c9df44117ee5e7a7703214b Mon Sep 17 00:00:00 2001
From: rogerdz <rogerdz88@hotmail.com>
Date: Wed, 18 Jun 2025 08:26:32 +0000
Subject: [PATCH] FPC not work when login

---
 .../PageCache/Model/App/Request/Http/IdentifierForSave.php     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/code/Magento/PageCache/Model/App/Request/Http/IdentifierForSave.php b/app/code/Magento/PageCache/Model/App/Request/Http/IdentifierForSave.php
index 72d81e5ead681..db7cc7f9b7074 100644
--- a/app/code/Magento/PageCache/Model/App/Request/Http/IdentifierForSave.php
+++ b/app/code/Magento/PageCache/Model/App/Request/Http/IdentifierForSave.php
@@ -52,7 +52,8 @@ public function getValue()
             $this->request->isSecure(),
             $baseUrl,
             $query,
-            $this->context->getVaryString()
+            $this->request->get(\Magento\Framework\App\Response\Http::COOKIE_VARY_STRING)
+                ?: $this->context->getVaryString()
         ];
 
         $data = $this->identifierStoreReader->getPageTagsWithStoreCacheTags($data);