diff --git a/htdocs/core/db/sqlite.class.php b/htdocs/core/db/sqlite.class.php
index 4a9a85d7d0b..7613079df68 100644
--- a/htdocs/core/db/sqlite.class.php
+++ b/htdocs/core/db/sqlite.class.php
@@ -685,7 +685,7 @@ class DoliDBSqlite
 	 */
     function escape($stringtoencode)
     {
-        return PDO::quote($stringtoencode);
+        return $this->db->quote($stringtoencode);
     }
 
     /**