diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 675fcc82a5c..51d24f7c729 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5322,7 +5322,7 @@ class Form
         {
         	$nbofdifferenttypes = count($object->linkedObjects);
 
-        	print '<br>';
+        	print '<br><!-- showLinkedObjectBlock -->';
             print load_fiche_titre($langs->trans('RelatedObjects'), $morehtmlright, '');
 
             print '<table class="noborder allwidth">';
@@ -5414,7 +5414,7 @@ class Form
 
         	if (! $nboftypesoutput)
         	{
-        	    print '<tr><td class="opacitymedium" colspan="7">'.$langs->trans("None").'</td></tr>';
+        	    print '<tr><td class="impair opacitymedium" colspan="7">'.$langs->trans("None").'</td></tr>';
         	}
 
         	print '</table>';