Update process_payroll.py
diff --git a/erpnext/hr/doctype/process_payroll/process_payroll.py b/erpnext/hr/doctype/process_payroll/process_payroll.py
index 22e9fbb..561ddfc 100644
--- a/erpnext/hr/doctype/process_payroll/process_payroll.py
+++ b/erpnext/hr/doctype/process_payroll/process_payroll.py
@@ -298,7 +298,9 @@
 				})
 			account_amt_list.append({
 					"account": loan_accounts.interest_income_account,
-					"credit_in_account_currency": loan_amounts.total_interest_amount
+					"credit_in_account_currency": loan_amounts.total_interest_amount,
+					"cost_center": self.cost_center,
+					"project": self.project
 				})	
 			adjustment_amt = adjustment_amt-(loan_amounts.total_loan_repayment)