diff --git a/erpnext/controllers/item_variant.py b/erpnext/controllers/item_variant.py
index 53421b7..c21ee00 100644
--- a/erpnext/controllers/item_variant.py
+++ b/erpnext/controllers/item_variant.py
@@ -42,8 +42,10 @@
 
 	copy_attributes_to_variant(template, variant)
 
-	variant.manufacturer = manufacturer
-	variant.manufacturer_part_no = manufacturer_part_no
+	variant.append("manufacturers", {
+		"manufacturer": manufacturer,
+		"manufacturer_part_no": manufacturer_part_no
+	})
 
 	variant.item_code = append_number_if_name_exists('Item', template.name)