diff --git a/erpnext/regional/doctype/e_invoice_settings/e_invoice_settings.py b/erpnext/regional/doctype/e_invoice_settings/e_invoice_settings.py
index 0780795b24e..3ce55c2622a 100644
--- a/erpnext/regional/doctype/e_invoice_settings/e_invoice_settings.py
+++ b/erpnext/regional/doctype/e_invoice_settings/e_invoice_settings.py
@@ -12,6 +12,6 @@ class EInvoiceSettings(Document):
 			frappe.throw(_("You must add atleast one credentials to be able to use E Invoicing."))
 
 		prev_doc = self.get_doc_before_save()
-		if prev_doc.client_secret != self.client_secret or prev_doc.client_id != prev_doc.client_id:
+		if prev_doc.client_secret != self.client_secret or prev_doc.client_id != self.client_id:
 			self.auth_token = None
 			self.token_expiry = None