diff --git a/tests/federation/test_federation_sender.py b/tests/federation/test_federation_sender.py

index b5be727fe4..01a1db6115 100644
--- a/tests/federation/test_federation_sender.py
+++ b/tests/federation/test_federation_sender.py
@@ -30,16 +30,16 @@ from tests.unittest import HomeserverTestCase, override_config
 
 class FederationSenderReceiptsTestCases(HomeserverTestCase):
     def make_homeserver(self, reactor, clock):
-        mock_state_handler = Mock(spec=["get_current_hosts_in_room"])
-        # Ensure a new Awaitable is created for each call.
-        mock_state_handler.get_current_hosts_in_room.return_value = make_awaitable(
-            ["test", "host2"]
-        )
-        return self.setup_test_homeserver(
-            state_handler=mock_state_handler,
+        hs = self.setup_test_homeserver(
             federation_transport_client=Mock(spec=["send_transaction"]),
         )
 
+        hs.get_storage_controllers().state.get_current_hosts_in_room = Mock(
+            return_value=make_awaitable({"test", "host2"})
+        )
+
+        return hs
+
     @override_config({"send_federation": True})
     def test_send_receipts(self):
         mock_send_transaction = (