diff --git a/ArchiSteamFarm/ArchiWebHandler.cs b/ArchiSteamFarm/ArchiWebHandler.cs
index 119b15372..b0393df47 100644
--- a/ArchiSteamFarm/ArchiWebHandler.cs
+++ b/ArchiSteamFarm/ArchiWebHandler.cs
@@ -2383,7 +2383,7 @@ namespace ArchiSteamFarm {
 					return false;
 				}
 
-				ulong contextID = item["contextid"].AsUnsignedLong();
+				uint contextID = item["contextid"].AsUnsignedInteger();
 
 				if (contextID == 0) {
 					ASF.ArchiLogger.LogNullError(nameof(contextID));
diff --git a/ArchiSteamFarm/Json/Steam.cs b/ArchiSteamFarm/Json/Steam.cs
index aec8cd7ae..11b7e2bf2 100644
--- a/ArchiSteamFarm/Json/Steam.cs
+++ b/ArchiSteamFarm/Json/Steam.cs
@@ -52,7 +52,7 @@ namespace ArchiSteamFarm.Json {
 			public ulong ClassID { get; private set; }
 
 			[PublicAPI]
-			public ulong ContextID { get; private set; }
+			public uint ContextID { get; private set; }
 
 			[PublicAPI]
 			public uint RealAppID { get; internal set; }
@@ -139,7 +139,7 @@ namespace ArchiSteamFarm.Json {
 						return;
 					}
 
-					if (!ulong.TryParse(value, out ulong contextID) || (contextID == 0)) {
+					if (!uint.TryParse(value, out uint contextID) || (contextID == 0)) {
 						ASF.ArchiLogger.LogNullError(nameof(contextID));
 
 						return;
@@ -157,7 +157,7 @@ namespace ArchiSteamFarm.Json {
 			}
 
 			// Constructed from trades being received or plugins
-			public Asset(uint appID, ulong contextID, ulong classID, uint amount, uint realAppID = 0, EType type = EType.Unknown) {
+			public Asset(uint appID, uint contextID, ulong classID, uint amount, uint realAppID = 0, EType type = EType.Unknown) {
 				if ((appID == 0) || (contextID == 0) || (classID == 0) || (amount == 0)) {
 					throw new ArgumentNullException(nameof(appID) + " || " + nameof(contextID) + " || " + nameof(classID) + " || " + nameof(amount));
 				}