diff --git a/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py b/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py
index a39b831250..ac9f4ce2ab 100644
--- a/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py
+++ b/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py
@@ -105,7 +105,7 @@ def get_conditions(filters):
 
 	if filters.get("mode_of_payment"):
 		conditions += """ and exists(select name from `tabSales Invoice Payment`
-			where parent=si.name
+			where parent=`tabSales Invoice`.name
 				and ifnull(`tabSales Invoice Payment`.mode_of_payment, '') = %(mode_of_payment)s)"""
 
 	return conditions