diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index 5f208a4c1c..a1e0e53b33 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -110,7 +110,7 @@ class SyncRestServlet(RestServlet):
filter_id = parse_string(request, "filter", default=None)
full_state = parse_boolean(request, "full_state", default=False)
- logger.info(
+ logger.debug(
"/sync: user=%r, timeout=%r, since=%r,"
" set_presence=%r, filter_id=%r, device_id=%r" % (
user, timeout, since, set_presence, filter_id, device_id
@@ -189,7 +189,8 @@ class SyncRestServlet(RestServlet):
"account_data": {"events": sync_result.account_data},
"to_device": {"events": sync_result.to_device},
"device_lists": {
- "changed": list(sync_result.device_lists),
+ "changed": list(sync_result.device_lists.changed),
+ "left": list(sync_result.device_lists.left),
},
"presence": SyncRestServlet.encode_presence(
sync_result.presence, time_now
|