diff --git a/erpnext/manufacturing/doctype/bom/bom.py b/erpnext/manufacturing/doctype/bom/bom.py
index 8692f3dc48..bc092ef14f 100644
--- a/erpnext/manufacturing/doctype/bom/bom.py
+++ b/erpnext/manufacturing/doctype/bom/bom.py
@@ -774,7 +774,7 @@ def get_bom_items_as_dict(bom, company, qty=1, fetch_exploded=1, fetch_scrap_ite
 				item.image,
 				bom.project,
 				bom_item.rate,
-				bom_item.amount,
+				sum(bom_item.{qty_field}/ifnull(bom.quantity, 1)) * bom_item.rate * %(qty)s as amount,
 				item.stock_uom,
 				item.item_group,
 				item.allow_alternative_item,
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index 69812c7452..282b5d0afe 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -655,7 +655,7 @@ class WorkOrder(Document):
 				for item in sorted(item_dict.values(), key=lambda d: d['idx'] or 9999):
 					self.append('required_items', {
 						'rate': item.rate,
-						'amount': item.amount,
+						'amount': item.rate * item.qty,
 						'operation': item.operation or operation,
 						'item_code': item.item_code,
 						'item_name': item.item_name,
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 8debf86432..a029627ab1 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -296,3 +296,4 @@ erpnext.patches.v13_0.update_job_card_details
 erpnext.patches.v13_0.update_level_in_bom #1234sswef
 erpnext.patches.v13_0.add_missing_fg_item_for_stock_entry
 erpnext.patches.v13_0.update_subscription_status_in_memberships
+erpnext.patches.v13_0.update_amt_in_work_order_required_items
diff --git a/erpnext/patches/v13_0/update_amt_in_work_order_required_items.py b/erpnext/patches/v13_0/update_amt_in_work_order_required_items.py
new file mode 100644
index 0000000000..eae5ff60b9
--- /dev/null
+++ b/erpnext/patches/v13_0/update_amt_in_work_order_required_items.py
@@ -0,0 +1,10 @@
+import frappe
+
+def execute():
+	""" Correct amount in child table of required items table."""
+
+	frappe.reload_doc("manufacturing", "doctype", "work_order")
+	frappe.reload_doc("manufacturing", "doctype", "work_order_item")
+
+	frappe.db.sql("""UPDATE `tabWork Order Item` SET amount = rate * required_qty""")
+