diff --git a/erpnext/accounts/utils.py b/erpnext/accounts/utils.py
index e354663..0ed8533 100644
--- a/erpnext/accounts/utils.py
+++ b/erpnext/accounts/utils.py
@@ -1117,7 +1117,7 @@
 
 
 @frappe.whitelist()
-def get_coa(doctype, parent, is_root, chart=None):
+def get_coa(doctype, parent, is_root=None, chart=None):
 	from erpnext.accounts.doctype.account.chart_of_accounts.chart_of_accounts import (
 		build_tree_from_json,
 	)