diff --git a/srcs/webserv.cpp b/srcs/webserv.cpp
index 1b911f7..d6aa911 100644
--- a/srcs/webserv.cpp
+++ b/srcs/webserv.cpp
@@ -6,23 +6,26 @@ int	   Master::_min_fd = INT_MAX;
 int	   Master::_amount = 0;
 
 int main(int ac, char **av) {
-	if (ac != 2) {
-		cout << "Usage:\n./webserv CONF.json\n";
-		return EXIT_SUCCESS;
+	try {
+		if (ac > 2)
+			throw std::runtime_error("Too many arguments");
+		std::string config_file = "default.json";
+		if (ac == 2)
+			config_file = av[1];
+		std::ifstream file(config_file);
+		if (!file.good())
+			throw std::runtime_error("File not found");
+		cout << "Parsing configuration file from JSON conf file.\n";
+		cout << "You must be sure the syntax is correct\n";
+		JSONParser parser(config_file);
+		JSONNode  *conf = parser.parse();
+		cout << "Initialization of server...\n";
+		Env env(conf);
+		while (1)
+			env.cycle();
 	}
-
-	std::ifstream file(av[1]);
-	if (!file.good()) {
-		cout << "Error: " << av[1] << " is not a valid file\n";
-		return EXIT_FAILURE;
+	catch(const std::exception& e) {
+		std::cerr << e.what() << '\n';
 	}
-	cout << "Parsing configuration file from JSON conf file.\n";
-	cout << "You must be sure the syntax is correct\n";
-	JSONParser parser(av[1]);
-	JSONNode  *conf = parser.parse();
-	cout << "Initialization of server...\n";
-	Env env(conf);
-	while (1)
-		env.cycle();
 	return EXIT_SUCCESS;
 }