diff --git a/lib/contents.php b/lib/contents.php
index c7b742423e4..56dd4be60f7 100644
--- a/lib/contents.php
+++ b/lib/contents.php
@@ -440,6 +440,8 @@ function getSimpleHTMLDOMCached(
             $opts ?? []
         );
         if ($content) {
+            $cache->setScope('pages');
+            $cache->setKey([$url]);
             $cache->saveData($content);
         }
     }