Index: source/ps/GameSetup/GameSetup.cpp
===================================================================
--- source/ps/GameSetup/GameSetup.cpp
+++ source/ps/GameSetup/GameSetup.cpp
@@ -1371,6 +1371,8 @@
 			scriptInterface.SetProperty(player, "AIBehavior", std::string("balanced"));
 			scriptInterface.SetPropertyInt(playerData, playerID-offset, player);
 		}
+		if (mapType == "random" && aiArgs.size() > 2 && !args.Has("autostart-players"))
+			LOGERROR("Autostart: Random maps with more than 2 players need the autostart-players argument");
 	}
 	// Set AI difficulty
 	if (args.Has("autostart-aidiff"))