1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/initial_sync.py b/synapse/handlers/initial_sync.py
index c34bd7db95..b1d8be866f 100644
--- a/synapse/handlers/initial_sync.py
+++ b/synapse/handlers/initial_sync.py
@@ -145,7 +145,7 @@ class InitialSyncHandler:
         joined_rooms = [r.room_id for r in room_list if r.membership == Membership.JOIN]
         receipt = await self.store.get_linearized_receipts_for_rooms(
             joined_rooms,
-            to_key=int(now_token.receipt_key),
+            to_key=now_token.receipt_key,
         )
 
         receipt = ReceiptEventSource.filter_out_private_receipts(receipt, user_id)