1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py
index fa8473bf8d..cc839ffce4 100644
--- a/synapse/push/pusherpool.py
+++ b/synapse/push/pusherpool.py
@@ -184,7 +184,7 @@ class PusherPool:
                 )
                 await self.remove_pusher(p["app_id"], p["pushkey"], p["user_name"])
 
-    async def on_new_notifications(self, max_stream_id):
+    async def on_new_notifications(self, max_stream_id: int):
         if not self.pushers:
             # nothing to do here.
             return