diff --git a/htdocs/install/mysql/migration/repair.sql b/htdocs/install/mysql/migration/repair.sql
index 3a61ef4b216..46f75ff0d7f 100755
--- a/htdocs/install/mysql/migration/repair.sql
+++ b/htdocs/install/mysql/migration/repair.sql
@@ -354,6 +354,8 @@ update llx_bank_url as bu set url_id = (select e.fk_user_author from tmp_bank_ur
 drop table tmp_bank_url_expense_user;
 
 
+-- VMYSQL4.1 update llx_projet_task_time set task_datehour = task_date where task_datehour < task_date or task_datehour > DATE_ADD(task_date, interval 1 day);
+
 
 -- Clean product prices
 --delete from llx_product_price where date_price between '2017-04-20 06:51:00' and '2017-04-20 06:51:05'; 
diff --git a/htdocs/projet/activity/perweek.php b/htdocs/projet/activity/perweek.php
index e91d5572c99..f7a1397f475 100644
--- a/htdocs/projet/activity/perweek.php
+++ b/htdocs/projet/activity/perweek.php
@@ -246,6 +246,7 @@ if ($action == 'addtime' && $user->rights->projet->lire)
 				        $object->timespent_duration = $newduration;
 				        $object->timespent_fk_user = $usertoprocess->id;
 			        	$object->timespent_date = dol_time_plus_duree($firstdaytoshow, $key, 'd');
+			        	$object->timespent_datehour = $object->timespent_date;
 
 						$result=$object->addTimeSpent($user);
 						if ($result < 0)