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 4aad142..3c9758e 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
@@ -4,11 +4,12 @@
 def execute():
 	frappe.reload_doc('accounts', 'doctype', 'bank', force=1)
 
-	frappe.db.sql("""
-		UPDATE `tabBank` b, `tabBank Account` ba
-		SET b.swift_number = ba.swift_number, b.branch_code = ba.branch_code
-		WHERE b.name = ba.bank
-	""")
+	if frappe.db.table_exists('Bank') and frappe.db.table_exists('Bank Account'):
+		frappe.db.sql("""
+			UPDATE `tabBank` b, `tabBank Account` ba
+			SET b.swift_number = ba.swift_number, b.branch_code = ba.branch_code
+			WHERE b.name = ba.bank
+		""")
 
 	frappe.reload_doc('accounts', 'doctype', 'bank_account')
 	frappe.reload_doc('accounts', 'doctype', 'payment_request')
\ No newline at end of file