diff --git a/CHANGELOG.md b/CHANGELOG.md
index c65df5d474..02ad150ae0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## Changelog
 
+#### v1.13.1 (2020-02-20):
+
+- Fix keyerror due to my_tickets_url resulting in failure of order patch.
+
 #### v1.13.0 (2020-02-20):
 
 - Fix cron job timings preventing multiple emails to attendees
diff --git a/app/api/helpers/system_mails.py b/app/api/helpers/system_mails.py
index 80788ada3c..5ddd320402 100644
--- a/app/api/helpers/system_mails.py
+++ b/app/api/helpers/system_mails.py
@@ -190,7 +190,7 @@
             u"<br/>Your order has been processed successfully."
             + u"<br/> Your tickets & invoice have been enclosed."
             u"<br><br>You can also download your tickets in <b>My Tickets</b> section."
-            u"<br/>Login to manage the orders at <a href='{mytickets_url}' target='_blank'>{mytickets_url}</a> </em>"
+            u"<br/>Login to manage the orders at <a href='{my_tickets_url}' target='_blank'>{my_tickets_url}</a> </em>"
             u"<br><br><em>Looking forward to seeing you at the event."
         ),
     },
diff --git a/app/api/server_version.py b/app/api/server_version.py
index dc021ebc89..424e57745a 100644
--- a/app/api/server_version.py
+++ b/app/api/server_version.py
@@ -1,6 +1,6 @@
 from flask import Blueprint, jsonify
 
-SERVER_VERSION = '1.13.0'
+SERVER_VERSION = '1.13.1'
 
 info_route = Blueprint('info', __name__)
 _build = {'version': SERVER_VERSION}