diff --git a/db/routines/vn/procedures/collection_addItem.sql b/db/routines/vn/procedures/collection_addItem.sql
index c19d886843..b5bc91c678 100644
--- a/db/routines/vn/procedures/collection_addItem.sql
+++ b/db/routines/vn/procedures/collection_addItem.sql
@@ -52,6 +52,10 @@ BEGIN
 
 	SELECT LAST_INSERT_ID() INTO vSaleFk;
 
+	UPDATE sale
+		SET originalQuantity = 0
+		WHERE id = vSaleFk;
+
 	CALL sale_calculateComponent(vSaleFk, NULL);
 END$$
 DELIMITER ;