diff --git a/contao/modules/ModuleLogo.php b/contao/modules/ModuleLogo.php
index ecf637c..9653260 100644
--- a/contao/modules/ModuleLogo.php
+++ b/contao/modules/ModuleLogo.php
@@ -32,7 +32,7 @@
  */
 class ModuleLogo extends Module
 {
-    protected FilesModel $objFile;
+    protected ?FilesModel $objFile;
 
     /**
      * Template