diff --git a/erpnext/accounts/doctype/account/account.py b/erpnext/accounts/doctype/account/account.py
index 5dc862cc4cd..cdb16c89164 100644
--- a/erpnext/accounts/doctype/account/account.py
+++ b/erpnext/accounts/doctype/account/account.py
@@ -119,6 +119,7 @@ class Account(NestedSet):
 		self.validate_account_currency()
 		self.validate_root_company_and_sync_account_to_children()
 		self.validate_receivable_payable_account_type()
+		self.validate_stock_account_type_change()
 
 	def validate_parent_child_account_type(self):
 		if self.parent_account:
@@ -207,6 +208,36 @@ class Account(NestedSet):
 				frappe.msgprint(msg)
 				self.add_comment("Comment", msg)
 
+	def validate_stock_account_type_change(self):
+		doc_before_save = self.get_doc_before_save()
+		if not (doc_before_save and doc_before_save.account_type == "Stock"):
+			return
+
+		if self.account_type == "Stock":
+			return
+
+		if self.stock_ledger_entry_exists():
+			frappe.throw(
+				_(
+					"The account type of {0} cannot be changed from {1} because stock ledger entries exist against it."
+				).format(frappe.bold(self.name), frappe.bold(_("Stock")))
+			)
+
+	def stock_ledger_entry_exists(self):
+		from erpnext.stock import get_warehouse_account_map
+
+		warehouse_account = get_warehouse_account_map(self.company)
+		warehouses = [wh for wh, details in warehouse_account.items() if details.account == self.name]
+		if not warehouses:
+			return False
+
+		return bool(
+			frappe.db.count(
+				"Stock Ledger Entry",
+				filters={"warehouse": ("in", warehouses), "is_cancelled": 0},
+			)
+		)
+
 	def validate_root_details(self):
 		doc_before_save = self.get_doc_before_save()
 
diff --git a/erpnext/accounts/doctype/account/test_account.py b/erpnext/accounts/doctype/account/test_account.py
index 4cce4d2ee28..8106e1f7c5b 100644
--- a/erpnext/accounts/doctype/account/test_account.py
+++ b/erpnext/accounts/doctype/account/test_account.py
@@ -313,6 +313,31 @@ class TestAccount(unittest.TestCase):
 		acc.account_currency = "USD"
 		self.assertRaises(frappe.ValidationError, acc.save)
 
+	def test_stock_account_type_change_with_ledger_entries(self):
+		from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
+
+		company = "_Test Company with perpetual inventory"
+		warehouse = "Stores - TCP1"
+		stock_account = get_warehouse_account(frappe.get_doc("Warehouse", warehouse))
+
+		make_stock_entry(
+			item_code="_Test Item",
+			target=warehouse,
+			company=company,
+			qty=5,
+			basic_rate=100,
+		)
+
+		account = frappe.get_doc("Account", stock_account)
+		self.assertEqual(account.account_type, "Stock")
+
+		account.account_type = ""
+		self.assertRaises(frappe.ValidationError, account.save)
+
+		account.reload()
+		account.account_name = f"{account.account_name} Updated"
+		account.save()  # non-type change stays allowed
+
 	def test_account_balance(self):
 		from erpnext.accounts.utils import get_balance_on