diff --git a/Facepunch.Steamworks/SteamUser.cs b/Facepunch.Steamworks/SteamUser.cs
index 573959d..522a6cc 100644
--- a/Facepunch.Steamworks/SteamUser.cs
+++ b/Facepunch.Steamworks/SteamUser.cs
@@ -314,7 +314,7 @@ namespace Steamworks
 		/// </summary>
 		public static unsafe AuthTicket GetAuthSessionTicket( NetIdentity identity )
 		{
-			var data = Helpers.TakeBuffer( 1024 );
+			var data = Helpers.TakeBuffer( 2560 );
 
 			fixed ( byte* b = data )
 			{