diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 49ee359ef62..97b060dac54 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5057,8 +5057,8 @@ class Form
 
         //$previous_ref = $object->ref_previous?'<a data-role="button" data-icon="arrow-l" data-iconpos="left" href="'.$_SERVER["PHP_SELF"].'?'.$paramid.'='.urlencode($object->ref_previous).$moreparam.'">'.(empty($conf->dol_use_jmobile)?img_picto($langs->trans("Previous"),'previous.png'):'&nbsp;').'</a>':'';
         //$next_ref     = $object->ref_next?'<a data-role="button" data-icon="arrow-r" data-iconpos="right" href="'.$_SERVER["PHP_SELF"].'?'.$paramid.'='.urlencode($object->ref_next).$moreparam.'">'.(empty($conf->dol_use_jmobile)?img_picto($langs->trans("Next"),'next.png'):'&nbsp;').'</a>':'';
-        $previous_ref = $object->ref_previous?'<a data-role="button" data-icon="arrow-l" data-iconpos="left" href="'.$_SERVER["PHP_SELF"].'?'.$paramid.'='.urlencode($object->ref_previous).$moreparam.'">'.(empty($conf->dol_use_jmobile)?'<':'&nbsp;').'</a>':'';
-        $next_ref     = $object->ref_next?'<a data-role="button" data-icon="arrow-r" data-iconpos="right" href="'.$_SERVER["PHP_SELF"].'?'.$paramid.'='.urlencode($object->ref_next).$moreparam.'">'.(empty($conf->dol_use_jmobile)?'>':'&nbsp;').'</a>':'';
+        $previous_ref = $object->ref_previous?'<a data-role="button" data-icon="arrow-l" data-iconpos="left" href="'.$_SERVER["PHP_SELF"].'?'.$paramid.'='.urlencode($object->ref_previous).$moreparam.'">'.(empty($conf->dol_use_jmobile)?'&lt;':'&nbsp;').'</a>':'';
+        $next_ref     = $object->ref_next?'<a data-role="button" data-icon="arrow-r" data-iconpos="right" href="'.$_SERVER["PHP_SELF"].'?'.$paramid.'='.urlencode($object->ref_next).$moreparam.'">'.(empty($conf->dol_use_jmobile)?'&gt;':'&nbsp;').'</a>':'';
 
         //print "xx".$previous_ref."x".$next_ref;
         $ret.='<div style="vertical-align: middle"><div class="inline-block floatleft refid'.(($shownav && ($previous_ref || $next_ref))?' refidpadding':'').'">';