1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/app/synchrotron.py b/synapse/app/synchrotron.py
index cade09d60e..27e1998660 100644
--- a/synapse/app/synchrotron.py
+++ b/synapse/app/synchrotron.py
@@ -338,8 +338,9 @@ class SyncReplicationHandler(ReplicationClientHandler):
         self.presence_handler = hs.get_presence_handler()
         self.notifier = hs.get_notifier()
 
+    @defer.inlineCallbacks
     def on_rdata(self, stream_name, token, rows):
-        super(SyncReplicationHandler, self).on_rdata(stream_name, token, rows)
+        yield super(SyncReplicationHandler, self).on_rdata(stream_name, token, rows)
         run_in_background(self.process_and_notify, stream_name, token, rows)
 
     def get_streams_to_replicate(self):