diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index 720160676f2..a669238689b 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -416,6 +416,10 @@ def make_purchase_invoice(source_name, target_doc=None):
 		"Purchase Taxes and Charges": {
 			"doctype": "Purchase Taxes and Charges",
 			"add_if_empty": True
+		},
+		"Payment Schedule": {
+			"doctype": "Payment Schedule",
+			"add_if_empty": True
 		}
 	}, target_doc, postprocess)