diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index 92300a35368..9d6f9590a1c 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -807,7 +807,7 @@ if ($id > 0)
 	$result4=$object->fetch_userassigned();
 	$result5=$object->fetch_optionals($id,$extralabels);
 
-	if($listUserAssignedUpdated) {
+	if($listUserAssignedUpdated || $donotclearsession) {
 		
 		$datep=dol_mktime($fulldayevent?'00':$aphour, $fulldayevent?'00':$apmin, 0, $_POST["apmonth"], $_POST["apday"], $_POST["apyear"]);
 		$datef=dol_mktime($fulldayevent?'23':$p2hour, $fulldayevent?'59':$p2min, $fulldayevent?'59':'0', $_POST["p2month"], $_POST["p2day"], $_POST["p2year"]);