1 files changed, 5 insertions, 5 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index ae4e9b316d..15ba417e06 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -290,6 +290,8 @@ class FederationHandler(BaseHandler):
         """
         logger.debug("Joining %s to %s", joinee, room_id)
 
+        yield self.store.clean_room_for_join(room_id)
+
         origin, pdu = yield self.replication_layer.make_join(
             target_hosts,
             room_id,
@@ -464,11 +466,9 @@ class FederationHandler(BaseHandler):
             builder=builder,
         )
 
-        self.auth.check(event, auth_events=context.auth_events)
-
-        pdu = event
+        self.auth.check(event, auth_events=context.current_state)
 
-        defer.returnValue(pdu)
+        defer.returnValue(event)
 
     @defer.inlineCallbacks
     @log_function
@@ -705,7 +705,7 @@ class FederationHandler(BaseHandler):
         )
 
         if not auth_events:
-            auth_events = context.auth_events
+            auth_events = context.current_state
 
         logger.debug(
             "_handle_new_event: %s, auth_events: %s",