diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index f8fd30b15e3..3f8ed836f44 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5812,7 +5812,7 @@ class Form
 	                 */
                     global $dolibarr_main_url_root;
                     $ret.='<!-- Put link to gravatar -->';
-                    $ret.='<img class="photo'.$modulepart.($cssclass?' '.$cssclass:'').'" alt="Gravatar avatar" title="'.$email.' Gravatar avatar" border="0"'.($width?' width="'.$width.'"':'').($height?' height="'.$height.'"':'').' src="https://www.gravatar.com/avatar/'.dol_hash(strtolower(trim($email)),3).'?s='.$width.'&d='.urlencode(dol_buildpath($nophoto,2)).'">';	// gravatar need md5 hash
+                    $ret.='<img class="photo'.$modulepart.($cssclass?' '.$cssclass:'').'" alt="Gravatar avatar" title="'.$email.' Gravatar avatar" border="0"'.($width?' width="'.$width.'"':'').($height?' height="'.$height.'"':'').' src="https://www.gravatar.com/avatar/'.dol_hash(strtolower(trim($email)),3).'?s='.$width.'&d='.urlencode(dol_buildpath($nophoto,3)).'">';	// gravatar need md5 hash
                 }
                 else
 				{