diff --git a/piker/brokers/ib/ledger.py b/piker/brokers/ib/ledger.py
index d8510f8b..31dc4ab9 100644
--- a/piker/brokers/ib/ledger.py
+++ b/piker/brokers/ib/ledger.py
@@ -501,7 +501,7 @@ async def update_ledger_from_api_trades(
     for fill in fills:
         con: Contract = fill.contract
         conid: str = con.conId
-        pexch: str | None = con.primaryExchange
+        pexch: str|None = con.primaryExchange or con.exchange
 
         if not pexch:
             cons = await client.get_con(conid=conid)