diff --git a/src/WireMock.Net.StandAlone/Program.cs b/src/WireMock.Net.StandAlone/Program.cs
index 843bc436..37db89bf 100644
--- a/src/WireMock.Net.StandAlone/Program.cs
+++ b/src/WireMock.Net.StandAlone/Program.cs
@@ -1,4 +1,6 @@
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using CommandLineParser.Arguments;
 using CommandLineParser.Exceptions;
 using WireMock.Server;
@@ -9,11 +11,11 @@ namespace WireMock.Net.StandAlone
     {
         private class Options
         {
-            [ValueArgument(typeof(string), 'u', "Urls", Description = "URL(s) to listen on", Optional = false, AllowMultiple = true)]
-            public string[] Urls;
+            [ValueArgument(typeof(string), 'u', "Urls", Description = "URL(s) to listen on.", Optional = true, AllowMultiple = true)]
+            public List<string> Urls { get; set; }
 
-            [SwitchArgument('p', "AllowPartialMapping", true, Description = "Allow Partial Mapping (default set to true)", Optional = true)]
-            public bool AllowPartialMapping;
+            [SwitchArgument('p', "AllowPartialMapping", true, Description = "Allow Partial Mapping (default set to true).", Optional = true)]
+            public bool AllowPartialMapping { get; set; }
         }
 
         static void Main(params string[] args)
@@ -21,13 +23,15 @@ namespace WireMock.Net.StandAlone
             var options = new Options();
             var parser = new CommandLineParser.CommandLineParser();
             parser.ExtractArgumentAttributes(options);
-            parser.ParseCommandLine(args);
 
             try
             {
                 parser.ParseCommandLine(args);
 
-                var server = FluentMockServer.StartWithAdminInterface(options.Urls);
+                if (!options.Urls.Any())
+                    options.Urls.Add("http://localhost:9090/");
+
+                var server = FluentMockServer.StartWithAdminInterface(options.Urls.ToArray());
 
                 if (options.AllowPartialMapping)
                     server.AllowPartialMapping();
@@ -39,7 +43,7 @@ namespace WireMock.Net.StandAlone
                 Console.WriteLine(e.Message);
                 parser.ShowUsage();
             }
-  
+
             Console.WriteLine("Press any key to stop the server");
             Console.ReadKey();
         }