diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index c800a93c66d..a58c290b66c 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -1200,7 +1200,7 @@ def get_last_purchase_details(item_code, doc_name=None, conversion_rate=1.0):
 	return out
 
 
-def get_purchase_voucher_details(doctype, item_code, document_name):
+def get_purchase_voucher_details(doctype, item_code, document_name=None):
 	parent_doc = frappe.qb.DocType(doctype)
 	child_doc = frappe.qb.DocType(doctype + " Item")
 
@@ -1219,9 +1219,11 @@ def get_purchase_voucher_details(doctype, item_code, document_name):
 		)
 		.where(parent_doc.docstatus == 1)
 		.where(child_doc.item_code == item_code)
-		.where(parent_doc.name != document_name)
 	)
 
+	if document_name:
+		query = query.where(parent_doc.name != document_name)
+
 	if doctype in ("Purchase Receipt", "Purchase Invoice"):
 		query = query.select(parent_doc.posting_date, parent_doc.posting_time)
 		query = query.orderby(