diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 3cce388..d1494b7 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -2522,6 +2522,8 @@
 			target.dunning_type = dunning_type.name
 			target.rate_of_interest = dunning_type.rate_of_interest
 			target.dunning_fee = dunning_type.dunning_fee
+			target.income_account = dunning_type.income_account
+			target.cost_center = dunning_type.cost_center
 			letter_text = get_dunning_letter_text(
 				dunning_type=dunning_type.name,
 				doc=target.as_dict(),