diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 0987a76cf..5c6812f47 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -442,15 +442,11 @@ def setup(config_options):
 
     hs.start_listening()
 
+    hs.get_pusherpool().start()
     hs.get_state_handler().start_caching()
     hs.get_datastore().start_profiling()
     hs.get_replication_layer().start_get_pdu_cache()
 
-    def on_start():
-        hs.get_pusherpool().start()
-
-    reactor.callWhenRunning(on_start)
-
     return hs