diff --git a/erpnext/accounts/doctype/accounting_dimension_filter/accounting_dimension_filter.py b/erpnext/accounts/doctype/accounting_dimension_filter/accounting_dimension_filter.py
index fd832d98ba4..6eff320e3a3 100644
--- a/erpnext/accounts/doctype/accounting_dimension_filter/accounting_dimension_filter.py
+++ b/erpnext/accounts/doctype/accounting_dimension_filter/accounting_dimension_filter.py
@@ -38,7 +38,8 @@ class AccountingDimensionFilter(Document):
 	def validate(self):
 		self.fieldname = frappe.db.get_value(
 			"Accounting Dimension", {"document_type": self.accounting_dimension}, "fieldname"
-		)
+		) or frappe.scrub(self.accounting_dimension)  # scrub to handle default accounting dimension
+
 		self.validate_applicable_accounts()
 
 	def validate_applicable_accounts(self):
diff --git a/erpnext/patches/v15_0/update_fieldname_in_accounting_dimension_filter.py b/erpnext/patches/v15_0/update_fieldname_in_accounting_dimension_filter.py
index 50d3fbe6f9c..11d2cc91446 100644
--- a/erpnext/patches/v15_0/update_fieldname_in_accounting_dimension_filter.py
+++ b/erpnext/patches/v15_0/update_fieldname_in_accounting_dimension_filter.py
@@ -3,6 +3,7 @@ from frappe.query_builder import DocType
 
 
 def execute():
+	default_accounting_dimension()
 	ADF = DocType("Accounting Dimension Filter")
 	AD = DocType("Accounting Dimension")
 
@@ -21,3 +22,14 @@ def execute():
 			doc.fieldname,
 			update_modified=False,
 		)
+
+
+def default_accounting_dimension():
+	for accounting_dimension in ["Cost Center", "Project"]:
+		frappe.db.set_value(
+			"Accounting Dimension Filter",
+			{"accounting_dimension": accounting_dimension},
+			"fieldname",
+			frappe.scrub(accounting_dimension),
+			update_modified=False,
+		)