diff --git a/htdocs/projet/tasks/time.php b/htdocs/projet/tasks/time.php
index 7baac31a51a..b29c434963d 100644
--- a/htdocs/projet/tasks/time.php
+++ b/htdocs/projet/tasks/time.php
@@ -1058,7 +1058,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0)
 		if ($search_note) $sql .= natural_search('t.note', $search_note);
 		if ($search_task_ref) $sql .= natural_search('pt.ref', $search_task_ref);
 		if ($search_task_label) $sql .= natural_search('pt.label', $search_task_label);
-		if ($search_user > 0) $sql .= ' AND t.fk_user = ' . intval($search_user);
+		if ($search_user > 0) $sql .= natural_search('t.fk_user', $search_user, 2);
 		if ($search_valuebilled == '1') $sql .= ' AND t.invoice_id > 0';
 		if ($search_valuebilled == '0') $sql .= ' AND (t.invoice_id = 0 OR t.invoice_id IS NULL)';
 		$sql .= dolSqlDateFilter('t.task_datehour', $search_day, $search_month, $search_year);