diff --git a/erpnext/accounts/doctype/accounting_dimension/accounting_dimension.py b/erpnext/accounts/doctype/accounting_dimension/accounting_dimension.py
index db99bcd223b..8fc22dd7650 100644
--- a/erpnext/accounts/doctype/accounting_dimension/accounting_dimension.py
+++ b/erpnext/accounts/doctype/accounting_dimension/accounting_dimension.py
@@ -7,6 +7,7 @@ import json
 import frappe
 from frappe import _, scrub
 from frappe.custom.doctype.custom_field.custom_field import create_custom_field
+from frappe.database.schema import validate_column_name
 from frappe.model import core_doctypes_list
 from frappe.model.document import Document
 from frappe.utils import cstr
@@ -60,6 +61,7 @@ class AccountingDimension(Document):
 		if not self.is_new():
 			self.validate_document_type_change()
 
+		validate_column_name(self.fieldname)
 		self.validate_dimension_defaults()
 
 	def validate_document_type_change(self):