diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 71dbfbc1b2b..bacda98845d 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -2100,10 +2100,10 @@ function dol_print_error($db='',$error='')
 			$out.="<b>".$langs->trans("PHP").":</b> ".phpversion()."<br>\n";
 			//phpinfo();       // This is to show location of php.ini file
 		}
-		$out.="<b>".$langs->trans("Server").":</b> ".$_SERVER["SERVER_SOFTWARE"]."<br>\n";;
+		$out.="<b>".$langs->trans("Server").":</b> ".$_SERVER["SERVER_SOFTWARE"]."<br>\n";
 		$out.="<br>\n";
-		$out.="<b>".$langs->trans("RequestedUrl").":</b> ".$_SERVER["REQUEST_URI"]."<br>\n";;
-		$out.="<b>".$langs->trans("Referer").":</b> ".(isset($_SERVER["HTTP_REFERER"])?$_SERVER["HTTP_REFERER"]:'')."<br>\n";;
+		$out.="<b>".$langs->trans("RequestedUrl").":</b> ".dol_htmlentities($_SERVER["REQUEST_URI"],ENT_COMPAT,'UTF-8')."<br>\n";
+		$out.="<b>".$langs->trans("Referer").":</b> ".(isset($_SERVER["HTTP_REFERER"])?dol_htmlentities($_SERVER["HTTP_REFERER"],ENT_COMPAT,'UTF-8'):'')."<br>\n";
 		$out.="<b>".$langs->trans("MenuManager").":</b> ".$conf->top_menu."<br>\n";
 		$out.="<br>\n";
 		$syslog.="url=".$_SERVER["REQUEST_URI"];