diff --git a/ArchiSteamFarm/ArchiWebHandler.cs b/ArchiSteamFarm/ArchiWebHandler.cs
index e7fc28c52..16f7e6e28 100644
--- a/ArchiSteamFarm/ArchiWebHandler.cs
+++ b/ArchiSteamFarm/ArchiWebHandler.cs
@@ -828,7 +828,7 @@ namespace ArchiSteamFarm {
 			}
 		}
 
-		internal async Task<bool?> HandleConfirmation(string deviceID, string confirmationHash, uint time, uint confirmationID, ulong confirmationKey, bool accept) {
+		internal async Task<bool?> HandleConfirmation(string deviceID, string confirmationHash, uint time, ulong confirmationID, ulong confirmationKey, bool accept) {
 			if (string.IsNullOrEmpty(deviceID) || string.IsNullOrEmpty(confirmationHash) || (time == 0) || (confirmationID == 0) || (confirmationKey == 0)) {
 				Bot.ArchiLogger.LogNullError(nameof(deviceID) + " || " + nameof(confirmationHash) + " || " + nameof(time) + " || " + nameof(confirmationID) + " || " + nameof(confirmationKey));
 				return null;
diff --git a/ArchiSteamFarm/MobileAuthenticator.cs b/ArchiSteamFarm/MobileAuthenticator.cs
index e064f495a..0c8ff65a9 100644
--- a/ArchiSteamFarm/MobileAuthenticator.cs
+++ b/ArchiSteamFarm/MobileAuthenticator.cs
@@ -153,7 +153,7 @@ namespace ArchiSteamFarm {
 						return null;
 					}
 
-					if (!uint.TryParse(idString, out uint id) || (id == 0)) {
+					if (!ulong.TryParse(idString, out ulong id) || (id == 0)) {
 						Bot.ArchiLogger.LogNullError(nameof(id));
 						return null;
 					}
@@ -371,11 +371,11 @@ namespace ArchiSteamFarm {
 		}
 
 		internal sealed class Confirmation {
-			internal readonly uint ID;
+			internal readonly ulong ID;
 			internal readonly ulong Key;
 			internal readonly Steam.ConfirmationDetails.EType Type;
 
-			internal Confirmation(uint id, ulong key, Steam.ConfirmationDetails.EType type) {
+			internal Confirmation(ulong id, ulong key, Steam.ConfirmationDetails.EType type) {
 				if ((id == 0) || (key == 0) || (type == Steam.ConfirmationDetails.EType.Unknown)) {
 					throw new ArgumentNullException(nameof(id) + " || " + nameof(key) + " || " + nameof(type));
 				}