1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index 4ff0fdc4ab..bf4f3ee92a 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -549,7 +549,7 @@ class EventsStore(EventsWorkerStore):
             if ctx.state_group in state_groups_map:
                 continue
 
-            state_groups_map[ctx.state_group] = ctx.current_state_ids
+            state_groups_map[ctx.state_group] = yield ctx.get_current_state_ids(self)
 
         # We need to map the event_ids to their state groups. First, let's
         # check if the event is one we're persisting, in which case we can