diff --git a/piker/brokers/ib/feed.py b/piker/brokers/ib/feed.py
index c4f91533..4bb3c44d 100644
--- a/piker/brokers/ib/feed.py
+++ b/piker/brokers/ib/feed.py
@@ -267,7 +267,7 @@ async def open_history_client(
             if (
                 start_dt
                 and
-                last_dt < start_dt
+                first_dt < start_dt
             ):
                 bars_array = bars_array[
                     bars_array['time'] >= start_dt.timestamp()