diff --git a/CS2-Tags.cs b/CS2-Tags.cs
index a9c2479..3f5a810 100644
--- a/CS2-Tags.cs
+++ b/CS2-Tags.cs
@@ -164,8 +164,8 @@ public class CS2_Tags : BasePlugin
 
 	private HookResult OnPlayerChat(CCSPlayerController? player, CommandInfo info)
 	{
-		if (player == null || !player.IsValid || info.GetArg(1).Length == 0) return HookResult.Continue;
-		string steamid = player.AuthorizedSteamID!.SteamId64.ToString();
+		if (player == null || !player.IsValid || info.GetArg(1).Length == 0 || player.AuthorizedSteamID == null) return HookResult.Continue;
+		string steamid = player.AuthorizedSteamID.SteamId64.ToString();
 
 		if (GaggedIds.Contains((int)player.Index)) return HookResult.Handled;
 
@@ -246,8 +246,8 @@ public class CS2_Tags : BasePlugin
 
 	private HookResult OnPlayerChatTeam(CCSPlayerController? player, CommandInfo info)
 	{
-		if (player == null || !player.IsValid || info.GetArg(1).Length == 0) return HookResult.Continue;
-		string steamid = player.AuthorizedSteamID!.SteamId64.ToString();
+		if (player == null || !player.IsValid || info.GetArg(1).Length == 0 || player.AuthorizedSteamID == null) return HookResult.Continue;
+		string steamid = player.AuthorizedSteamID.SteamId64.ToString();
 
 		if (GaggedIds.Contains((int)player.Index)) return HookResult.Handled;
 
diff --git a/README.md b/README.md
index 1a67768..12fbe0c 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ Adds tags to the server that can be easily edited, tags can be assigned via perm
 In addons/counterstrikesharp/plugins/CS2-Tags/tags.json
 
 ### Requirments
-[CounterStrikeSharp](https://github.com/roflmuffin/CounterStrikeSharp/) **tested on v61**
+[CounterStrikeSharp](https://github.com/roflmuffin/CounterStrikeSharp/) **tested on v142**
 
 ### Colors
 ```