1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/notifier.py b/synapse/notifier.py

index 1ac9c5bb84..d398078eed 100644
--- a/synapse/notifier.py
+++ b/synapse/notifier.py
@@ -339,7 +339,7 @@ class Notifier(object):
                     listener = user_stream.new_listener(prev_token)
                     listener.deferred = timeout_deferred(
                         listener.deferred,
-                        (end_time - now) / 1000.,
+                        (end_time - now) / 1000.0,
                         self.hs.get_reactor(),
                     )
                     with PreserveLoggingContext():