diff --git a/docroot/core/lib/Drupal/Core/Routing/UrlGenerator.php b/docroot/core/lib/Drupal/Core/Routing/UrlGenerator.php
index 3cbbd5a..806975e 100644
--- a/docroot/core/lib/Drupal/Core/Routing/UrlGenerator.php
+++ b/docroot/core/lib/Drupal/Core/Routing/UrlGenerator.php
@@ -362,7 +362,10 @@ public function generateFromRoute($name, $parameters = array(), $options = array
       $port = ':' . $this->context->getHttpsPort();
     }
     if ($collect_bubbleable_metadata) {
-      $generated_url->addCacheContexts(['url.site']);
+      $request = $this->requestStack()->getCurrentRequest();
+      if ($request->isMethodSafe()) {
+        $generated_url->addCacheContexts(['url.site']);
+      }
     }
     $url = $scheme . '://' . $host . $port . $base_url . $path . $fragment;
     return $collect_bubbleable_metadata ? $generated_url->setGeneratedUrl($url) : $url;