diff --git a/migrations/0042.sql b/migrations/0042.sql
new file mode 100644
index 00000000..b5fb9498
--- /dev/null
+++ b/migrations/0042.sql
@@ -0,0 +1,7 @@
+CREATE TRIGGER cascade_change_qu_id_stock AFTER UPDATE ON products
+BEGIN
+	UPDATE recipes_pos
+	SET qu_id = (SELECT qu_id_stock FROM products WHERE id = NEW.id)
+	WHERE product_id IN (SELECT id FROM products WHERE id = NEW.id)
+		AND only_check_single_unit_in_stock = 0;
+END;