diff --git a/erpnext/setup/doctype/email_digest/email_digest.py b/erpnext/setup/doctype/email_digest/email_digest.py
index 53b353d..22bdf50 100644
--- a/erpnext/setup/doctype/email_digest/email_digest.py
+++ b/erpnext/setup/doctype/email_digest/email_digest.py
@@ -123,7 +123,7 @@
 				if msg_for_this_recipient and row.recipient in valid_users:
 					frappe.sendmail(
 						recipients=row.recipient,
-						subject=_("{0} Digest").format(self.frequency),
+						subject=_("{0} Digest").format(_(self.frequency)),
 						message=msg_for_this_recipient,
 						reference_doctype=self.doctype,
 						reference_name=self.name,