diff --git a/public/index.php b/public/index.php
index 04c65ea..581e4a0 100755
--- a/public/index.php
+++ b/public/index.php
@@ -58,9 +58,10 @@ if ($uriPath === '' || $uriPath === 'index' || $uriPath === 'index.php') {
 // ------------------------------------
 $skipLayout = false;
 $targetReal = realpath($target);
+$retoolBase = realpath(__DIR__ . '/page/retool');
 
 // Beispiel: alles unter /page/raw/* ohne Layout
-if ($targetReal && str_starts_with($targetReal, realpath(__DIR__ . '/page/retool'))) {
+if ($targetReal && $retoolBase && str_starts_with($targetReal, $retoolBase)) {
     $skipLayout = true;
 }