Index: trunk/wifidog-auth/wifidog/classes/Content/File/File.php
===================================================================
--- trunk/wifidog-auth/wifidog/classes/Content/File/File.php	(revision 1090)
+++ trunk/wifidog-auth/wifidog/classes/Content/File/File.php	(revision 1123)
@@ -233,5 +233,5 @@
     public function touch()
     {
-    		$this->mBd->execSqlUpdate("UPDATE content_file SET last_update_date = NOW() WHERE files_id='".$this->getId()."'", false);
+    		$this->mBd->execSqlUpdate("UPDATE content_file SET last_update_date = CURRENT_TIMESTAMP WHERE files_id='".$this->getId()."'", false);
         $this->refresh();
     }