diff --git a/ArchiSteamFarm/ArchiWebHandler.cs b/ArchiSteamFarm/ArchiWebHandler.cs
index 9c2ea0554..c4ad0d11f 100644
--- a/ArchiSteamFarm/ArchiWebHandler.cs
+++ b/ArchiSteamFarm/ArchiWebHandler.cs
@@ -185,7 +185,7 @@ namespace ArchiSteamFarm {
 			foreach (KeyValue trade in response["trade_offers_received"].Children) {
 				Steam.TradeOffer tradeOffer = new Steam.TradeOffer {
 					tradeofferid = trade["tradeofferid"].AsString(),
-					accountid_other = trade["accountid_other"].AsInteger(),
+					accountid_other = (uint) trade["accountid_other"].AsUnsignedLong(), // TODO: Correct this when SK2 with https://github.com/SteamRE/SteamKit/pull/255 gets released
 					trade_offer_state = trade["trade_offer_state"].AsEnum<Steam.TradeOffer.ETradeOfferState>()
 				};
 				foreach (KeyValue item in trade["items_to_give"].Children) {
diff --git a/ArchiSteamFarm/JSON/Steam.cs b/ArchiSteamFarm/JSON/Steam.cs
index 5fb4e09f5..282f25aa6 100644
--- a/ArchiSteamFarm/JSON/Steam.cs
+++ b/ArchiSteamFarm/JSON/Steam.cs
@@ -81,7 +81,7 @@ namespace ArchiSteamFarm {
 			internal string tradeofferid { get; set; }
 
 			[JsonProperty(Required = Required.Always)]
-			internal int accountid_other { get; set; }
+			internal uint accountid_other { get; set; }
 
 			[JsonProperty(Required = Required.Always)]
 			internal ETradeOfferState trade_offer_state { get; set; }
@@ -97,7 +97,7 @@ namespace ArchiSteamFarm {
 			internal ulong OtherSteamID64 {
 				get {
 					if (_OtherSteamID64 == 0 && accountid_other != 0) {
-						_OtherSteamID64 = new SteamID((uint) accountid_other, EUniverse.Public, EAccountType.Individual).ConvertToUInt64();
+						_OtherSteamID64 = new SteamID(accountid_other, EUniverse.Public, EAccountType.Individual).ConvertToUInt64();
 					}
 
 					return _OtherSteamID64;
diff --git a/ArchiSteamFarm/Program.cs b/ArchiSteamFarm/Program.cs
index f090f2502..f480b523f 100644
--- a/ArchiSteamFarm/Program.cs
+++ b/ArchiSteamFarm/Program.cs
@@ -48,6 +48,7 @@ namespace ArchiSteamFarm {
 		}
 
 		internal enum EMode : byte {
+			Unknown,
 			Normal, // Standard most common usage
 			Client, // WCF client only
 			Server // Normal + WCF server