diff --git a/erpnext/accounts/report/purchase_register/purchase_register.py b/erpnext/accounts/report/purchase_register/purchase_register.py
index 1f25a05..00f6527 100644
--- a/erpnext/accounts/report/purchase_register/purchase_register.py
+++ b/erpnext/accounts/report/purchase_register/purchase_register.py
@@ -35,7 +35,7 @@
 		frappe.throw(_("Please select a supplier for fetching payments."))
 	invoice_list = get_invoices(filters, get_query_columns(additional_table_columns))
 	if filters.get("include_payments"):
-		invoice_list += get_payments(filters, additional_table_columns)
+		invoice_list += get_payments(filters)
 
 	columns, expense_accounts, tax_accounts, unrealized_profit_loss_accounts = get_columns(
 		invoice_list, additional_table_columns, include_payments
@@ -156,7 +156,7 @@
 		_("Supplier Name") + "::120",
 	]
 
-	if additional_table_columns:
+	if additional_table_columns and not include_payments:
 		columns += additional_table_columns
 
 	if not include_payments:
@@ -279,6 +279,9 @@
 		.where((pi.docstatus == 1))
 		.orderby(pi.posting_date, pi.name, order=Order.desc)
 	)
+	if additional_query_columns:
+		for col in additional_query_columns:
+			query = query.select(col)
 	if filters.get("supplier"):
 		query = query.where(pi.supplier == filters.supplier)
 	query = get_conditions(filters, query, [pi, invoice_item])
@@ -291,10 +294,7 @@
 	return invoices
 
 
-def get_payments(filters, additional_query_columns):
-	if additional_query_columns:
-		additional_query_columns = ", " + ", ".join(additional_query_columns)
-
+def get_payments(filters):
 	args = frappe._dict(
 		account="credit_to",
 		party="supplier",
@@ -302,7 +302,6 @@
 		party_account=get_party_account(
 			"Supplier", filters.supplier, filters.company, include_advance=True
 		),
-		additional_query_columns="" if not additional_query_columns else additional_query_columns,
 	)
 	payment_entries = get_payment_entries(filters, args)
 	journal_entries = get_journal_entries(filters, args)
diff --git a/erpnext/accounts/report/sales_register/sales_register.py b/erpnext/accounts/report/sales_register/sales_register.py
index 94a7bee..32f25bd 100644
--- a/erpnext/accounts/report/sales_register/sales_register.py
+++ b/erpnext/accounts/report/sales_register/sales_register.py
@@ -36,7 +36,7 @@
 		frappe.throw(_("Please select a customer for fetching payments."))
 	invoice_list = get_invoices(filters, get_query_columns(additional_table_columns))
 	if filters.get("include_payments"):
-		invoice_list += get_payments(filters, additional_table_columns)
+		invoice_list += get_payments(filters)
 
 	columns, income_accounts, tax_accounts, unrealized_profit_loss_accounts = get_columns(
 		invoice_list, additional_table_columns, include_payments
@@ -187,7 +187,7 @@
 		{"label": _("Customer Name"), "fieldname": "customer_name", "fieldtype": "Data", "width": 120},
 	]
 
-	if additional_table_columns:
+	if additional_table_columns and not include_payments:
 		columns += additional_table_columns
 
 	if not include_payments:
@@ -437,6 +437,9 @@
 		.where((si.docstatus == 1))
 		.orderby(si.posting_date, si.name, order=Order.desc)
 	)
+	if additional_query_columns:
+		for col in additional_query_columns:
+			query = query.select(col)
 	if filters.get("customer"):
 		query = query.where(si.customer == filters.customer)
 	query = get_conditions(filters, query, [si, invoice_item, invoice_payment])
@@ -444,10 +447,7 @@
 	return invoices
 
 
-def get_payments(filters, additional_query_columns):
-	if additional_query_columns:
-		additional_query_columns = ", " + ", ".join(additional_query_columns)
-
+def get_payments(filters):
 	args = frappe._dict(
 		account="debit_to",
 		party="customer",
@@ -455,7 +455,6 @@
 		party_account=get_party_account(
 			"Customer", filters.customer, filters.company, include_advance=True
 		),
-		additional_query_columns="" if not additional_query_columns else additional_query_columns,
 	)
 	payment_entries = get_payment_entries(filters, args)
 	journal_entries = get_journal_entries(filters, args)
diff --git a/erpnext/accounts/report/utils.py b/erpnext/accounts/report/utils.py
index 462ef21..91a6e7f 100644
--- a/erpnext/accounts/report/utils.py
+++ b/erpnext/accounts/report/utils.py
@@ -173,7 +173,7 @@
 		else:
 			columns.append(fieldname)
 
-	return ", " + ", ".join(columns)
+	return columns
 
 
 def get_values_for_columns(report_columns, report_row):