diff --git a/contentcuration/contentcuration/tests/viewsets/base.py b/contentcuration/contentcuration/tests/viewsets/base.py
index 5eca0415fe..48ddd1c995 100644
--- a/contentcuration/contentcuration/tests/viewsets/base.py
+++ b/contentcuration/contentcuration/tests/viewsets/base.py
@@ -5,6 +5,9 @@
 from contentcuration.celery import app
 from contentcuration.models import Change
 from contentcuration.tests.helpers import clear_tasks
+from contentcuration.viewsets.sync.constants import CHANNEL
+from contentcuration.viewsets.sync.constants import SYNCED
+from contentcuration.viewsets.sync.utils import _generate_event as base_generate_event
 from contentcuration.viewsets.sync.utils import generate_copy_event as base_generate_copy_event
 from contentcuration.viewsets.sync.utils import generate_create_event as base_generate_create_event
 from contentcuration.viewsets.sync.utils import generate_delete_event as base_generate_delete_event
@@ -35,6 +38,16 @@ def generate_update_event(*args, **kwargs):
     return event
 
 
+def generate_sync_channel_event(channel_id, attributes, tags, files, assessment_items):
+    event = base_generate_event(key=channel_id, table=CHANNEL, event_type=SYNCED, channel_id=channel_id, user_id=None)
+    event["rev"] = random.randint(1, 10000000)
+    event["attributes"] = attributes
+    event["tags"] = tags
+    event["files"] = files
+    event["assessment_items"] = assessment_items
+    return event
+
+
 class SyncTestMixin(object):
     celery_task_always_eager = None
 
diff --git a/contentcuration/contentcuration/tests/viewsets/test_channel.py b/contentcuration/contentcuration/tests/viewsets/test_channel.py
index 63b0940ae4..b88f54ad98 100644
--- a/contentcuration/contentcuration/tests/viewsets/test_channel.py
+++ b/contentcuration/contentcuration/tests/viewsets/test_channel.py
@@ -2,6 +2,7 @@
 
 import uuid
 
+import mock
 from django.urls import reverse
 
 from contentcuration import models
@@ -9,6 +10,7 @@
 from contentcuration.tests.base import StudioAPITestCase
 from contentcuration.tests.viewsets.base import generate_create_event
 from contentcuration.tests.viewsets.base import generate_delete_event
+from contentcuration.tests.viewsets.base import generate_sync_channel_event
 from contentcuration.tests.viewsets.base import generate_update_event
 from contentcuration.tests.viewsets.base import SyncTestMixin
 from contentcuration.viewsets.sync.constants import CHANNEL
@@ -273,6 +275,30 @@ def test_cannot_delete_some_channels(self):
         self.assertTrue(models.Channel.objects.get(id=channel1.id).deleted)
         self.assertFalse(models.Channel.objects.get(id=channel2.id).deleted)
 
+    @mock.patch("contentcuration.viewsets.channel.sync_channel")
+    def test_sync_channel_called_correctly(self, sync_channel_mock):
+        user = testdata.user()
+        channel = testdata.channel()
+        channel.editors.add(user)
+        channel_node = channel.main_tree.get_descendants().first()
+        channel_node.copy_to(target=channel.main_tree)
+
+        self.client.force_authenticate(user=user)
+        for i in range(1, 5):
+            sync_channel_mock.reset_mock()
+            args = [channel.id, False, False, False, False]
+            args[i] = True
+
+            response = self.sync_changes(
+                [
+                    generate_sync_channel_event(*args)
+                ]
+            )
+
+            self.assertEqual(response.status_code, 200)
+            self.assertEqual(sync_channel_mock.call_args.args[i], True)
+            sync_channel_mock.assert_called_once()
+
 
 class CRUDTestCase(StudioAPITestCase):
     @property
diff --git a/contentcuration/contentcuration/viewsets/channel.py b/contentcuration/contentcuration/viewsets/channel.py
index 9c739cbdfe..81646d0626 100644
--- a/contentcuration/contentcuration/viewsets/channel.py
+++ b/contentcuration/contentcuration/viewsets/channel.py
@@ -559,7 +559,7 @@ def sync(self, pk, attributes=False, tags=False, files=False, assessment_items=F
                 attributes,
                 tags,
                 files,
-                tags,
+                assessment_items,
                 progress_tracker=progress_tracker,
             )