diff --git a/Classes/Controller/BackendController.php b/Classes/Controller/BackendController.php
index bd1a2d6cd9..2500cc49b3 100644
--- a/Classes/Controller/BackendController.php
+++ b/Classes/Controller/BackendController.php
@@ -221,6 +221,9 @@ protected function getSiteNodeForLoggedInUser(): ?NodeInterface
     protected function findNodeToEdit(): ?NodeInterface
     {
         $siteNode = $this->getSiteNodeForLoggedInUser();
+        if (!$siteNode) {
+            throw new \RuntimeException('Could not find site node for current user.', 1697707361);
+        }
         $reflectionMethod = new \ReflectionMethod($this->backendRedirectionService, 'getLastVisitedNode');
         $reflectionMethod->setAccessible(true);
         $node = $reflectionMethod->invoke($this->backendRedirectionService, $siteNode->getContext()->getWorkspaceName());