diff --git a/B3ClientService/Rpcs/BillRpc/HouseAndSanctionRpc.cs b/B3ClientService/Rpcs/BillRpc/HouseAndSanctionRpc.cs
index 18edd0e..203a33f 100644
--- a/B3ClientService/Rpcs/BillRpc/HouseAndSanctionRpc.cs
+++ b/B3ClientService/Rpcs/BillRpc/HouseAndSanctionRpc.cs
@@ -195,7 +195,7 @@ namespace BWP.B3ClientService.Rpcs.BillRpc
       query.Columns.Add(DQSelectColumn.Field("ID"));
       query.Columns.Add(DQSelectColumn.Field("Number"));
       query.Range = SelectRange.Top(1);
-      var r = query.EExecuteScalar<long, int?>();
+      var r = query.EExecuteScalar<long, int?>(session);
       oldNumber = r.Item2 ?? 0;
 
       if (number == oldNumber)