diff --git a/erpnext/patches/v12_0/move_bank_account_swift_number_to_bank.py b/erpnext/patches/v12_0/move_bank_account_swift_number_to_bank.py
index 3c9758e..1ddbae6 100644
--- a/erpnext/patches/v12_0/move_bank_account_swift_number_to_bank.py
+++ b/erpnext/patches/v12_0/move_bank_account_swift_number_to_bank.py
@@ -4,7 +4,7 @@
 def execute():
 	frappe.reload_doc('accounts', 'doctype', 'bank', force=1)
 
-	if frappe.db.table_exists('Bank') and frappe.db.table_exists('Bank Account'):
+	if frappe.db.table_exists('Bank') and frappe.db.table_exists('Bank Account') and frappe.db.has_column('Bank Account', 'swift_number'):
 		frappe.db.sql("""
 			UPDATE `tabBank` b, `tabBank Account` ba
 			SET b.swift_number = ba.swift_number, b.branch_code = ba.branch_code
@@ -12,4 +12,4 @@
 		""")
 
 	frappe.reload_doc('accounts', 'doctype', 'bank_account')
-	frappe.reload_doc('accounts', 'doctype', 'payment_request')
\ No newline at end of file
+	frappe.reload_doc('accounts', 'doctype', 'payment_request')