1 files changed, 3 insertions, 3 deletions
diff --git a/synapse/storage/data_stores/main/events.py b/synapse/storage/data_stores/main/events.py
index a97f8b3934..bd2a6132f2 100644
--- a/synapse/storage/data_stores/main/events.py
+++ b/synapse/storage/data_stores/main/events.py
@@ -138,10 +138,10 @@ class PersistEventsStore:
         self._backfill_id_gen = self.store._backfill_id_gen  # type: StreamIdGenerator
         self._stream_id_gen = self.store._stream_id_gen  # type: StreamIdGenerator
 
-        # This should only exist on master for now
+        # This should only exist on instances that are configured to write
         assert (
-            hs.config.worker.worker_app is None
-        ), "Can only instantiate PersistEventsStore on master"
+            hs.config.worker.writers.events == hs.get_instance_name()
+        ), "Can only instantiate EventsStore on master"
 
     @_retry_on_integrity_error
     @defer.inlineCallbacks