diff --git a/AUTHORS b/AUTHORS
index 7b9f399c83..cdac79c676 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -278,3 +278,4 @@ Casey Litton <caseylitton@gmail.com>
 Jhony Avella <jhony.avella@edunext.co>
 Tanmay Mohapatra <tanmaykm@gmail.com>
 Brian Mesick <bmesick@edx.org>
+Jeff LaJoie <jlajoie@edx.org>
diff --git a/lms/djangoapps/teams/models.py b/lms/djangoapps/teams/models.py
index 2c6b7249d0..21967f2127 100644
--- a/lms/djangoapps/teams/models.py
+++ b/lms/djangoapps/teams/models.py
@@ -263,5 +263,5 @@ class CourseTeamMembership(models.Model):
         membership.team.save()
         membership.save()
         emit_team_event('edx.team.activity_updated', membership.team.course_id, {
-            'team_id': membership.team_id,
+            'team_id': membership.team.team_id,
         })
diff --git a/lms/djangoapps/teams/tests/test_models.py b/lms/djangoapps/teams/tests/test_models.py
index 1938852af2..ea820329c2 100644
--- a/lms/djangoapps/teams/tests/test_models.py
+++ b/lms/djangoapps/teams/tests/test_models.py
@@ -172,7 +172,7 @@ class TeamSignalsTest(EventTestMixin, SharedModuleStoreTestCase):
             self.assertGreater(now, team_membership.last_activity_at)
             self.assert_event_emitted(
                 'edx.team.activity_updated',
-                team_id=team.id,
+                team_id=team.team_id,
             )
         else:
             self.assertEqual(team.last_activity_at, team_last_activity)