diff --git a/tgcli/Util.cs b/tgcli/Util.cs
index 1f9c14f..90a75a0 100644
--- a/tgcli/Util.cs
+++ b/tgcli/Util.cs
@@ -7,7 +7,7 @@ using static TdLib.TdApi;
 using static tgcli.tgcli;
 
 namespace tgcli {
-	public class Util {
+	public static class Util {
 		public static class Ansi {
 			public const string ResetAll   = "\x1B[0m";
 			public const string Red        = "\x1b[31m";