diff --git a/src/deephaven_ib/__init__.py b/src/deephaven_ib/__init__.py
index 43e2fb22..39402d00 100644
--- a/src/deephaven_ib/__init__.py
+++ b/src/deephaven_ib/__init__.py
@@ -801,7 +801,7 @@ def request_single_pnl(self, contract: RegisteredContract, account: str, model_c
               Exception: problem executing action.
         """
         self._assert_connected()
-        req_id = self._client.request_single_pnl(account, model_code, contract.conId)
+        req_id = self._client.request_single_pnl(account, model_code, contract.contract_details[0].contract.conId)
         return Request(request_id=req_id)