diff --git a/htdocs/projet/activity/perday.php b/htdocs/projet/activity/perday.php
index 1e0c147c82a..c5fb194a1f0 100644
--- a/htdocs/projet/activity/perday.php
+++ b/htdocs/projet/activity/perday.php
@@ -291,9 +291,11 @@ if ($action == 'addtime' && $user->rights->projet->lire && GETPOST('formfilterac
 
 	if (count($timespent_duration) > 0)
 	{
+
 		foreach ($timespent_duration as $key => $val)
 		{
 			$object->fetch($key);
+			$taskid = $object->id;
 
 			if (GETPOSTISSET($taskid.'progress')) $object->progress = GETPOST($taskid.'progress', 'int');
 			else unset($object->progress);