diff --git a/include/class/document.class.php b/include/class/document.class.php
index 22ac7a0f6..240bda017 100644
--- a/include/class/document.class.php
+++ b/include/class/document.class.php
@@ -190,7 +190,7 @@ class Document
 
             chdir($dirname);
             $filename=($p_filename == "")?$row['md_filename']:$p_filename;
-            $filename= sanitize_filename($filename);
+            $filename= sanitize_filename($filename,false);
             $exp=$this->db->lo_export($row['md_lob'], $dirname.DIRECTORY_SEPARATOR.$filename);
             if ($exp===false)
             {