diff --git a/src/lib/MVC/Symfony/Controller/Content/PreviewController.php b/src/lib/MVC/Symfony/Controller/Content/PreviewController.php
index ee706a62d3..3b6f5160a1 100644
--- a/src/lib/MVC/Symfony/Controller/Content/PreviewController.php
+++ b/src/lib/MVC/Symfony/Controller/Content/PreviewController.php
@@ -130,6 +130,7 @@ public function previewContentAction(
                 throw $e;
             }
         }
+        $response->headers->addCacheControlDirective('no-cache', true);
         $response->setPrivate();
 
         $this->previewHelper->restoreConfigScope();