diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index 994613db8b1..330b8252010 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -918,9 +918,11 @@ if ($action == 'create')
 	// Date end
 	$datef = ($datef ? $datef : $object->datef);
     if (GETPOST('datef', 'int', 1)) $datef = dol_stringtotime(GETPOST('datef', 'int', 1), 0);
-	if (empty($datef) && !empty($datep) && !empty($conf->global->AGENDA_AUTOSET_END_DATE_WITH_DELTA_HOURS))
+	if (empty($datef) && !empty($datep))
 	{
-		$datef = dol_time_plus_duree($datep, $conf->global->AGENDA_AUTOSET_END_DATE_WITH_DELTA_HOURS, 'h');
+		if (GETPOST("actioncode", 'aZ09') == 'AC_RDV' || empty($conf->global->AGENDA_USE_EVENT_TYPE_DEFAULT)) {
+			$datef = dol_time_plus_duree($datep, (empty($conf->global->AGENDA_AUTOSET_END_DATE_WITH_DELTA_HOURS) ? 1 : $conf->global->AGENDA_AUTOSET_END_DATE_WITH_DELTA_HOURS), 'h');
+		}
 	}
 	print '<tr><td><span id="dateend"'.(GETPOST("actioncode", 'aZ09') == 'AC_RDV' ? ' class="fieldrequired"' : '').'>'.$langs->trans("DateActionEnd").'</span></td><td>';
 	if (GETPOST("afaire") == 1) {