diff --git a/infolog/inc/class.infolog_bo.inc.php b/infolog/inc/class.infolog_bo.inc.php
index ab17e1d6cb..83d3ba8751 100644
--- a/infolog/inc/class.infolog_bo.inc.php
+++ b/infolog/inc/class.infolog_bo.inc.php
@@ -818,8 +818,8 @@ class infolog_bo
 			{
 				$values['info_percent'] = 0;
 			}
-			else if (
-				($values['info_status'] != 'archive' && $values['info_status'] != 'cancelled' && in_array($values['info_status'], $this->stock_status[$values['info_type']])) &&
+			else if (($values['info_status'] != 'archive' && $values['info_status'] != 'cancelled' &&
+				isset($this->stock_status[$values['info_type']]) && in_array($values['info_status'], $this->stock_status[$values['info_type']])) &&
 				((int)$values['info_percent'] == 100 || $values['info_percent'] == 0))
 			{
 				// We change percent to match status, not status to match percent