diff --git a/frappe/email/doctype/email_account/email_account.py b/frappe/email/doctype/email_account/email_account.py
index 5197bf297d..3eea18e981 100644
--- a/frappe/email/doctype/email_account/email_account.py
+++ b/frappe/email/doctype/email_account/email_account.py
@@ -9,7 +9,7 @@ from frappe.utils import validate_email_add, cint, get_datetime, DATE_FORMAT
 from frappe.email.smtp import SMTPServer
 from frappe.email.receive import POP3Server, Email
 from poplib import error_proto
-import markdown2
+import markdown2, re
 from dateutil.relativedelta import relativedelta
 from datetime import datetime, timedelta
 
@@ -188,9 +188,11 @@ class EmailAccount(Document):
 			# if sent by same sender with same subject,
 			# append it to old coversation
 
+			subject = re.sub("Re[^:]*:\s*", "", email.subject)
+
 			parent = frappe.db.get_all(self.append_to, filters={
 				sender_field: email.from_email,
-				subject_field: ("like", "%{0}%".format(email.subject)),
+				subject_field: ("like", "%{0}%".format(subject)),
 				"creation": (">", (get_datetime() - relativedelta(days=10)).strftime(DATE_FORMAT))
 			}, fields="name")
 
diff --git a/frappe/email/doctype/email_account/test_mails/reply-2.raw b/frappe/email/doctype/email_account/test_mails/reply-2.raw
index 6a2e27fea5..9c8b75db0c 100644
--- a/frappe/email/doctype/email_account/test_mails/reply-2.raw
+++ b/frappe/email/doctype/email_account/test_mails/reply-2.raw
@@ -8,7 +8,7 @@ From: Rushabh Mehta <test_sender@example.com>
 X-Google-Original-From: Rushabh Mehta <test_receiver@example.com>
 Content-Type: multipart/alternative; boundary="Apple-Mail=_C996D08F-7A29-4DA2-99B3-17133FA73040"
 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\))
-Subject: weird subject
+Subject: weird subject ddwdf23r2
 Date: Tue, 16 Sep 2014 12:17:58 +0530
 References: <54A4EFFA-AD17-456A-9851-9715574DF0C9@gmail.com>
 To: Rushabh Mehta <test_sender@example.com>
diff --git a/frappe/email/doctype/email_account/test_mails/reply-3.raw b/frappe/email/doctype/email_account/test_mails/reply-3.raw
index fa1b2bbc5c..a6db5c2838 100644
--- a/frappe/email/doctype/email_account/test_mails/reply-3.raw
+++ b/frappe/email/doctype/email_account/test_mails/reply-3.raw
@@ -8,7 +8,7 @@ From: Rushabh Mehta <test_sender@example.com>
 X-Google-Original-From: Rushabh Mehta <test_receiver@example.com>
 Content-Type: multipart/alternative; boundary="Apple-Mail=_C996D08F-7A29-4DA2-99B3-17133FA73040"
 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\))
-Subject: Re: weird subject
+Subject: Re: weird subject ddwdf23r2
 Date: Tue, 16 Sep 2014 12:17:58 +0530
 References: <54A4EFFA-AD17-456A-9851-9715574DF0C9@gmail.com>
 To: Rushabh Mehta <test_sender@example.com>