diff --git a/synapse/app/federation_reader.py b/synapse/app/federation_reader.py

index 52522e9d33..7d8105778d 100644
--- a/synapse/app/federation_reader.py
+++ b/synapse/app/federation_reader.py
@@ -32,6 +32,7 @@ from synapse.http.site import SynapseSite
 from synapse.metrics import RegistryProxy
 from synapse.metrics.resource import METRICS_PREFIX, MetricsResource
 from synapse.replication.slave.storage._base import BaseSlavedStore
+from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
 from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
 from synapse.replication.slave.storage.directory import DirectoryStore
 from synapse.replication.slave.storage.events import SlavedEventStore
@@ -54,6 +55,7 @@ logger = logging.getLogger("synapse.app.federation_reader")
 
 
 class FederationReaderSlavedStore(
+    SlavedAccountDataStore,
     SlavedProfileStore,
     SlavedApplicationServiceStore,
     SlavedPusherStore,
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py

index a98bb506e5..005921dcf7 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -525,6 +525,7 @@ def run(hs):
     clock.looping_call(
         hs.get_datastore().reap_monthly_active_users, 1000 * 60 * 60
     )
+    hs.get_datastore().reap_monthly_active_users()
 
     @defer.inlineCallbacks
     def generate_monthly_active_users():