diff --git a/ietf/meeting/models.py b/ietf/meeting/models.py
index 01ade77a7..cdb9d5d6b 100644
--- a/ietf/meeting/models.py
+++ b/ietf/meeting/models.py
@@ -1266,10 +1266,13 @@ class Session(models.Model):
         return settings.CHAT_URL_PATTERN.format(chat_room_name=self.chat_room_name())
 
     def chat_archive_url(self):
-        # Zulip has no separate archive
-        if hasattr(settings,'CHAT_ARCHIVE_URL_PATTERN'):
+        # datatracker 8.8.0 released on 2022 July 15; before that, fall back to old log URL
+        if self.meeting.date <= datetime.date(2022, 7, 15):
+            return f'https://www.ietf.org/jabber/logs/{ self.chat_room_name() }?C=M;O=D'
+        elif hasattr(settings,'CHAT_ARCHIVE_URL_PATTERN'):
             return settings.CHAT_ARCHIVE_URL_PATTERN.format(chat_room_name=self.chat_room_name())
         else:
+            # Zulip has no separate archive
             return self.chat_room_url()
 
     def notes_id(self):
diff --git a/ietf/meeting/tests_models.py b/ietf/meeting/tests_models.py
index e28741a02..dea31dc04 100644
--- a/ietf/meeting/tests_models.py
+++ b/ietf/meeting/tests_models.py
@@ -1,7 +1,9 @@
 # Copyright The IETF Trust 2021, All Rights Reserved
 # -*- coding: utf-8 -*-
 """Tests of models in the Meeting application"""
-from ietf.meeting.factories import MeetingFactory
+import datetime
+
+from ietf.meeting.factories import MeetingFactory, SessionFactory
 from ietf.stats.factories import MeetingRegistrationFactory
 from ietf.utils.test_utils import TestCase
 
@@ -49,3 +51,10 @@ class MeetingTests(TestCase):
         self.assertIsNotNone(attendance)
         self.assertEqual(attendance.online, 0)
         self.assertEqual(attendance.onsite, 5)
+
+
+class SessionTests(TestCase):
+    def test_chat_archive_url_with_jabber(self):
+        # datatracker 8.8.0 rolled out on 2022-07-15. Before that, chat logs were jabber logs hosted at www.ietf.org.
+        session_with_jabber = SessionFactory(group__acronym='fakeacronym', meeting__date=datetime.date(2022,7,14))
+        self.assertEqual(session_with_jabber.chat_archive_url(), 'https://www.ietf.org/jabber/logs/fakeacronym?C=M;O=D')