diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index 6b4b56e1475..d8d49aa2ff2 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -2560,13 +2560,13 @@ function dol_most_recent_file($dir, $regexfilter = '', $excludefilter = array('(
  * Security check when accessing to a document (used by document.php, viewimage.php and webservices to get documents).
  * TODO Replace code that set $accessallowed by a call to restrictedArea()
  *
- * @param	string	$modulepart			Module of document ('module', 'module_user_temp', 'module_user' or 'module_temp'). Exemple: 'medias', 'invoice', 'logs', 'tax-vat', ...
- * @param	string	$original_file		Relative path with filename, relative to modulepart.
- * @param	string	$entity				Restrict onto entity (0=no restriction)
- * @param  	User	$fuser				User object (forced)
- * @param	string	$refname			Ref of object to check permission for external users (autodetect if not provided) or for hierarchy
- * @param   string  $mode               Check permission for 'read' or 'write'
- * @return	mixed						Array with access information : 'accessallowed' & 'sqlprotectagainstexternals' & 'original_file' (as a full path name)
+ * @param	string		$modulepart			Module of document ('module', 'module_user_temp', 'module_user' or 'module_temp'). Exemple: 'medias', 'invoice', 'logs', 'tax-vat', ...
+ * @param	string		$original_file		Relative path with filename, relative to modulepart.
+ * @param	string		$entity				Restrict onto entity (0=no restriction)
+ * @param  	User|null	$fuser				User object (forced)
+ * @param	string		$refname			Ref of object to check permission for external users (autodetect if not provided) or for hierarchy
+ * @param   string  	$mode               Check permission for 'read' or 'write'
+ * @return	mixed							Array with access information : 'accessallowed' & 'sqlprotectagainstexternals' & 'original_file' (as a full path name)
  * @see restrictedArea()
  */
 function dol_check_secure_access_document($modulepart, $original_file, $entity, $fuser = '', $refname = '', $mode = 'read')
diff --git a/htdocs/website/samples/wrapper.php b/htdocs/website/samples/wrapper.php
index 20d216bb948..631f27881aa 100644
--- a/htdocs/website/samples/wrapper.php
+++ b/htdocs/website/samples/wrapper.php
@@ -226,7 +226,7 @@ if ($rss) {
 } else {
 	// Find the subdirectory name as the reference
 	include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
-	$check_access = dol_check_secure_access_document($modulepart, $original_file, $entity, $refname);
+	$check_access = dol_check_secure_access_document($modulepart, $original_file, $entity, null, $refname);
 	$accessallowed              = empty($check_access['accessallowed']) ? '' : $check_access['accessallowed'];
 	$sqlprotectagainstexternals = empty($check_access['sqlprotectagainstexternals']) ? '' : $check_access['sqlprotectagainstexternals'];
 	$fullpath_original_file     = empty($check_access['original_file']) ? '' : $check_access['original_file']; // $fullpath_original_file is now a full path name