diff --git a/erpnext/accounts/doctype/accounts_settings/accounts_settings.json b/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
index ad20c8ae2e7..e4f659b48be 100644
--- a/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
+++ b/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
@@ -98,7 +98,7 @@
   "payment_request_settings",
   "create_pr_in_draft_status",
   "budget_settings",
-  "use_new_budget_controller"
+  "use_legacy_budget_controller"
  ],
  "fields": [
   {
@@ -598,12 +598,6 @@
    "fieldtype": "Tab Break",
    "label": "Budget"
   },
-  {
-   "default": "1",
-   "fieldname": "use_new_budget_controller",
-   "fieldtype": "Check",
-   "label": "Use New Budget Controller"
-  },
   {
    "default": "1",
    "description": "If enabled, user will be alerted before resetting posting date to current date in relevant transactions",
@@ -651,6 +645,12 @@
    "fieldname": "fetch_valuation_rate_for_internal_transaction",
    "fieldtype": "Check",
    "label": "Fetch Valuation Rate for Internal Transaction"
+  },
+  {
+   "default": "0",
+   "fieldname": "use_legacy_budget_controller",
+   "fieldtype": "Check",
+   "label": "Use Legacy Budget Controller"
   }
  ],
  "grid_page_length": 50,
@@ -659,7 +659,7 @@
  "index_web_pages_for_search": 1,
  "issingle": 1,
  "links": [],
- "modified": "2025-07-18 13:56:47.192437",
+ "modified": "2025-09-24 16:08:08.515254",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Accounts Settings",
diff --git a/erpnext/accounts/doctype/accounts_settings/accounts_settings.py b/erpnext/accounts/doctype/accounts_settings/accounts_settings.py
index f7c5dfa396f..420e2fa3870 100644
--- a/erpnext/accounts/doctype/accounts_settings/accounts_settings.py
+++ b/erpnext/accounts/doctype/accounts_settings/accounts_settings.py
@@ -74,7 +74,7 @@ class AccountsSettings(Document):
 		submit_journal_entries: DF.Check
 		unlink_advance_payment_on_cancelation_of_order: DF.Check
 		unlink_payment_on_cancellation_of_invoice: DF.Check
-		use_new_budget_controller: DF.Check
+		use_legacy_budget_controller: DF.Check
 	# end: auto-generated types
 
 	def validate(self):
diff --git a/erpnext/accounts/general_ledger.py b/erpnext/accounts/general_ledger.py
index 1a5789d6f93..6d9de1bf382 100644
--- a/erpnext/accounts/general_ledger.py
+++ b/erpnext/accounts/general_ledger.py
@@ -35,7 +35,7 @@ def make_gl_entries(
 ):
 	if gl_map:
 		if (
-			frappe.get_single_value("Accounts Settings", "use_new_budget_controller")
+			not cint(frappe.get_single_value("Accounts Settings", "use_legacy_budget_controller"))
 			and gl_map[0].voucher_type != "Period Closing Voucher"
 		):
 			bud_val = BudgetValidation(gl_map=gl_map)
diff --git a/erpnext/controllers/buying_controller.py b/erpnext/controllers/buying_controller.py
index 1eda382eab2..16cc900be2b 100644
--- a/erpnext/controllers/buying_controller.py
+++ b/erpnext/controllers/buying_controller.py
@@ -875,7 +875,7 @@ class BuyingController(SubcontractingController):
 			self.update_fixed_asset(field, delete_asset=True)
 
 	def validate_budget(self):
-		if frappe.get_single_value("Accounts Settings", "use_new_budget_controller"):
+		if not frappe.get_single_value("Accounts Settings", "use_legacy_budget_controller"):
 			from erpnext.controllers.budget_controller import BudgetValidation
 
 			val = BudgetValidation(doc=self)