diff --git a/htdocs/projet/tasks.php b/htdocs/projet/tasks.php
index ff2d08cd6fc..1424c64d8d3 100644
--- a/htdocs/projet/tasks.php
+++ b/htdocs/projet/tasks.php
@@ -445,9 +445,9 @@ if ($id > 0 || !empty($ref))
 
     // Date start - end
     print '<tr><td>'.$langs->trans("DateStart").' - '.$langs->trans("DateEnd").'</td><td>';
-    $start = dol_print_date($object->date_start, 'dayhour');
+    $start = dol_print_date($object->date_start, 'day');
     print ($start ? $start : '?');
-    $end = dol_print_date($object->date_end, 'dayhour');
+    $end = dol_print_date($object->date_end, 'day');
     print ' - ';
     print ($end ? $end : '?');
     if ($object->hasDelay()) print img_warning("Late");