diff --git a/erpnext/selling/page/point_of_sale/point_of_sale.py b/erpnext/selling/page/point_of_sale/point_of_sale.py
index 83e7bac3fef..a96fc309687 100644
--- a/erpnext/selling/page/point_of_sale/point_of_sale.py
+++ b/erpnext/selling/page/point_of_sale/point_of_sale.py
@@ -347,8 +347,8 @@ def check_opening_entry(user: str):
 
 
 @frappe.whitelist()
-def create_opening_voucher(pos_profile: str, company: str, balance_details: str):
-	balance_details = json.loads(balance_details)
+def create_opening_voucher(pos_profile: str, company: str, balance_details: str | list):
+	balance_details = frappe.parse_json(balance_details)
 
 	new_pos_opening = frappe.get_doc(
 		{