diff --git a/erpnext/hr/doctype/employee/employee.py b/erpnext/hr/doctype/employee/employee.py
index 12c49c8..e781532 100644
--- a/erpnext/hr/doctype/employee/employee.py
+++ b/erpnext/hr/doctype/employee/employee.py
@@ -208,15 +208,15 @@
 			users = [u.email_id or u.name for u in get_enabled_system_users()]
 
 		for e in birthdays:
-			frappe.sendmail(recipients=filter(lambda u: u not in (e.company_email, e.personal_email), users),
+			frappe.sendmail(recipients=filter(lambda u: u not in (e.company_email, e.personal_email, e.user_id), users),
 				subject=_("Birthday Reminder for {0}").format(e.employee_name),
 				message=_("""Today is {0}'s birthday!""").format(e.employee_name),
-				reply_to=e.company_email or e.personal_email,
+				reply_to=e.company_email or e.personal_email or e.user_id,
 				bulk=True)
 
 def get_employees_who_are_born_today():
 	"""Get Employee properties whose birthday is today."""
-	return frappe.db.sql("""select name, personal_email, company_email, employee_name
+	return frappe.db.sql("""select name, personal_email, company_email, user_id, employee_name
 		from tabEmployee where day(date_of_birth) = day(%(date)s)
 		and month(date_of_birth) = month(%(date)s)
 		and status = 'Active'""", {"date": today()}, as_dict=True)