diff --git a/contentcuration/contentcuration/tests/viewsets/test_invitation.py b/contentcuration/contentcuration/tests/viewsets/test_invitation.py
index ac4afd794f..a14aae8ccf 100644
--- a/contentcuration/contentcuration/tests/viewsets/test_invitation.py
+++ b/contentcuration/contentcuration/tests/viewsets/test_invitation.py
@@ -286,10 +286,11 @@ def test_update_invitation_accept(self):
         response = self.client.post(reverse("invitation-accept", kwargs={"pk": invitation.id}))
         self.assertEqual(response.status_code, 200, response.content)
         try:
-            models.Invitation.objects.get(id=invitation.id)
+            invitation = models.Invitation.objects.get(id=invitation.id)
         except models.Invitation.DoesNotExist:
             self.fail("Invitation was deleted")
 
+        self.assertTrue(invitation.accepted)
         self.assertTrue(self.channel.editors.filter(pk=self.invited_user.id).exists())
         self.assertTrue(
             models.Invitation.objects.filter(
diff --git a/contentcuration/contentcuration/viewsets/invitation.py b/contentcuration/contentcuration/viewsets/invitation.py
index 56cd27ddd8..55507297ef 100644
--- a/contentcuration/contentcuration/viewsets/invitation.py
+++ b/contentcuration/contentcuration/viewsets/invitation.py
@@ -141,6 +141,8 @@ def perform_update(self, serializer):
     def accept(self, request, pk=None):
         invitation = self.get_object()
         invitation.accept()
+        invitation.accepted = True
+        invitation.save()
         Change.create_change(
             generate_update_event(
                 invitation.id, INVITATION, {"accepted": True}, channel_id=invitation.channel_id