diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 2d5ba165365..8deb214782e 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -1743,7 +1743,7 @@ class ExtraFields
 	 */
 	function showSeparator($key)
 	{
-		$out = '<tr class="trextrafieldseparator"><td colspan="4"><strong>'.$this->attribute_label[$key].'</strong></td></tr>';
+		$out = '<tr class="trextrafieldseparator trextrafieldseparator'.$key.'"><td colspan="4"><strong>'.$this->attribute_label[$key].'</strong></td></tr>';
 		return $out;
 	}