diff --git a/ArchiSteamFarm/Bot.cs b/ArchiSteamFarm/Bot.cs
index 219d3280c..45c413a57 100755
--- a/ArchiSteamFarm/Bot.cs
+++ b/ArchiSteamFarm/Bot.cs
@@ -980,7 +980,7 @@ namespace ArchiSteamFarm {
 				}
 			}
 
-			return response.Length == 0 ? null : response.ToString();
+			return response.Length == 0 ? "Error" : response.ToString();
 		}
 
 		private static async Task<string> ResponseRedeem(ulong steamID, string botName, string message, bool validate) {