diff --git a/PoloniexApi.Net/TradingTools/Trading.cs b/PoloniexApi.Net/TradingTools/Trading.cs
index 793e21f..e33762d 100644
--- a/PoloniexApi.Net/TradingTools/Trading.cs
+++ b/PoloniexApi.Net/TradingTools/Trading.cs
@@ -23,7 +23,7 @@ private IList<IOrder> GetOpenOrders(CurrencyPair currencyPair)
             };
 
             var data = PostData<IList<Order>>("returnOpenOrders", postData);
-            return data.Any() ? data.ToList<IOrder>() : new List<IOrder>();
+            return data.Any() ? data.Select(x => (IOrder)x).ToList() : new List<IOrder>();
         }
 
         private IList<ITrade> GetTrades(CurrencyPair currencyPair, DateTime startTime, DateTime endTime)
diff --git a/PoloniexApi.Net/WalletTools/Wallet.cs b/PoloniexApi.Net/WalletTools/Wallet.cs
index 7b921d9..b580c5e 100644
--- a/PoloniexApi.Net/WalletTools/Wallet.cs
+++ b/PoloniexApi.Net/WalletTools/Wallet.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 
@@ -19,7 +20,8 @@ private IDictionary<string, IBalance> GetBalances()
             var postData = new Dictionary<string, object>();
 
             var data = PostData<IDictionary<string, IBalance>>("returnCompleteBalances", postData);
-            return data;
+            var result = data.ToDictionary(k => k.Key, v => v.Value as IBalance);
+            return result;
         }
 
         private IDictionary<string, string> GetDepositAddresses()