diff --git a/htdocs/fichinter/list.php b/htdocs/fichinter/list.php
index 871d6511669..c61fa4b1393 100644
--- a/htdocs/fichinter/list.php
+++ b/htdocs/fichinter/list.php
@@ -7,6 +7,7 @@
  * Copyright (C) 2015       Jean-François Ferry		<jfefe@aternatik.fr>
  * Copyright (C) 2018    	Ferran Marcet			<fmarcet@2byte.es>
  * Copyright (C) 2021		Frédéric France			<frederic.france@netlogic.fr>
+ * Copyright (C) 2022		Charlène Benke			<charlene@patas-monkey.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
@@ -739,9 +740,10 @@ if ($resql) {
 				$totalarray['nbfield']++;
 			}
 			if (!$i) {
+				$totalarray['type'][$totalarray['nbfield']] = 'duration';
 				$totalarray['pos'][$totalarray['nbfield']] = 'fd.duree';
 			}
-			$totalarray['val']['fd.duree'] += convertSecondToTime($obj->duree, 'allhourmin');
+			$totalarray['val']['fd.duree'] += $obj->duree;
 		}
 		// Action column
 		print '<td class="nowrap center">';