diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index 13defdecd1f..b2e4ef49fb2 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -770,7 +770,7 @@ def make_purchase_receipt(
 
 @frappe.whitelist()
 def make_purchase_invoice(
-	source_name: str, target_doc: str | Document | None = None, args: str | None = None
+	source_name: str, target_doc: str | Document | None = None, args: str | dict | None = None
 ):
 	return get_mapped_purchase_invoice(source_name, target_doc, args=args)
 
@@ -904,7 +904,11 @@ def make_inter_company_sales_order(source_name: str, target_doc: str | Document
 
 @frappe.whitelist()
 def make_subcontracting_order(
-	source_name: str, target_doc=None, save=False, submit: bool = False, notify: bool = False
+	source_name: str,
+	target_doc: str | Document | None = None,
+	save: bool = False,
+	submit: bool = False,
+	notify: bool = False,
 ):
 	if not is_po_fully_subcontracted(source_name):
 		target_doc = get_mapped_subcontracting_order(source_name, target_doc)
diff --git a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.py b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.py
index 75a5275573d..f2dbcdab122 100644
--- a/erpnext/buying/doctype/request_for_quotation/request_for_quotation.py
+++ b/erpnext/buying/doctype/request_for_quotation/request_for_quotation.py
@@ -461,7 +461,7 @@ def make_supplier_quotation_from_rfq(
 
 # This method is used to make supplier quotation from supplier's portal.
 @frappe.whitelist()
-def create_supplier_quotation(doc: str | dict):
+def create_supplier_quotation(doc: str | Document | dict):
 	if isinstance(doc, str):
 		doc = json.loads(doc)