diff --git a/OpenRA.Game/Server/Server.cs b/OpenRA.Game/Server/Server.cs
index 2c6cdcced5..4dbdb6d8d6 100644
--- a/OpenRA.Game/Server/Server.cs
+++ b/OpenRA.Game/Server/Server.cs
@@ -359,7 +359,9 @@ namespace OpenRA.Server
 					t.ClientJoined(this, newConn);
 
 				SyncLobbyInfo();
-				SendMessage("{0} has joined the game.".F(client.Name));
+
+				if (!LobbyInfo.IsSinglePlayer)
+					SendMessage("{0} has joined the game.".F(client.Name));
 
 				// Send initial ping
 				SendOrderTo(newConn, "Ping", Game.RunTime.ToString());