diff --git a/CHANGELOG.md b/CHANGELOG.md
index 029c36974eb..0b55cec4903 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release Notes for Craft CMS 3.x
 
+## Unreleased
+
+- Fixed a bug where `craft\web\Request::getIsPreview()` was returning `true` for requests with expired tokens. ([#14066](https://github.com/craftcms/cms/discussions/14066))
+
 ## 3.9.10 - 2024-01-02
 
 - Fixed a bug where meta fields weren’t immediately showing change indicators when entries were autosaved.
diff --git a/src/web/Request.php b/src/web/Request.php
index 363849df4b2..999b10dcd86 100644
--- a/src/web/Request.php
+++ b/src/web/Request.php
@@ -710,7 +710,11 @@ public function getActionSegments()
      */
     public function getIsPreview(): bool
     {
-        return $this->getQueryParam('x-craft-preview') !== null || $this->getQueryParam('x-craft-live-preview') !== null;
+        return (
+            ($this->getQueryParam('x-craft-preview') ?? $this->getQueryParam('x-craft-live-preview')) !== null &&
+            // If there's a token but it expired, they're looking at the live site
+            (!$this->getHadToken() || $this->getToken() !== null)
+        );
     }
 
     /**