diff --git a/htdocs/lib/functions.inc.php b/htdocs/lib/functions.inc.php
index adf3d9be65d..14d8df6e909 100644
--- a/htdocs/lib/functions.inc.php
+++ b/htdocs/lib/functions.inc.php
@@ -1462,7 +1462,6 @@ function dolibarr_print_error($db='',$error='')
         print "<b>".$langs->trans("Server").":</b> ".$_SERVER["SERVER_SOFTWARE"]."<br>\n";;
         print "<b>".$langs->trans("Dolibarr").":</b> ".DOL_VERSION."<br>\n";;
         print "<b>".$langs->trans("RequestedUrl").":</b> ".$_SERVER["REQUEST_URI"]."<br>\n";;
-        print "<b>QUERY_STRING:</b> ".$_SERVER["QUERY_STRING"]."<br>\n";;
         print "<b>".$langs->trans("Referer").":</b> ".$_SERVER["HTTP_REFERER"]."<br>\n";;
         $syslog.="url=".$_SERVER["REQUEST_URI"];
         $syslog.=", query_string=".$_SERVER["QUERY_STRING"];