1 files changed, 7 insertions, 0 deletions
diff --git a/synapse/server.py b/synapse/server.py
index e7c733f2d4..58dbf78437 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -74,6 +74,9 @@ from synapse.rest.media.v1.media_repository import (
 )
 from synapse.server_notices.server_notices_manager import ServerNoticesManager
 from synapse.server_notices.server_notices_sender import ServerNoticesSender
+from synapse.server_notices.worker_server_notices_sender import (
+    WorkerServerNoticesSender,
+)
 from synapse.state import StateHandler, StateResolutionHandler
 from synapse.storage import DataStore
 from synapse.streams.events import EventSources
@@ -403,9 +406,13 @@ class HomeServer(object):
         return FederationHandlerRegistry()
 
     def build_server_notices_manager(self):
+        if self.config.worker_app:
+            raise Exception("Workers cannot send server notices")
         return ServerNoticesManager(self)
 
     def build_server_notices_sender(self):
+        if self.config.worker_app:
+            return WorkerServerNoticesSender(self)
         return ServerNoticesSender(self)
 
     def remove_pusher(self, app_id, push_key, user_id):