diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 3eb96cf7e6f..bc9aa55f6f6 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -16,6 +16,7 @@
  * Copyright (C) 2012       Cedric Salvador         <csalvador@gpcsolutions.fr>
  * Copyright (C) 2012-2015  Raphaël Doursenaud      <rdoursenaud@gpcsolutions.fr>
  * Copyright (C) 2014       Alexandre Spangaro      <aspangaro.dolibarr@gmail.com>
+ * Copyright (C) 2018       Nicolas ZABOURI	    <info@inovea-conseil.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -3791,7 +3792,7 @@ class Form
                          		    if ($("#" + inputname).attr("type") == "radio") { more = ":checked"; }
                          			var inputvalue = $("#" + inputname + more).val();
                          			if (typeof inputvalue == "undefined") { inputvalue=""; }
-                         			options += "&" + inputname + "=" + inputvalue;
+                         			options += "&" + inputname + "=" + encodeURIComponent(inputvalue);
                          		});
                          	}
                          	var urljump = pageyes + (pageyes.indexOf("?") < 0 ? "?" : "") + options;