diff --git a/BTCPayServer/Configuration/BTCPayServerOptions.cs b/BTCPayServer/Configuration/BTCPayServerOptions.cs
index da0954bd0..25f5b55b1 100644
--- a/BTCPayServer/Configuration/BTCPayServerOptions.cs
+++ b/BTCPayServer/Configuration/BTCPayServerOptions.cs
@@ -92,11 +92,14 @@ namespace BTCPayServer.Configuration
             PostgresConnectionString = conf.GetOrDefault<string>("postgres", null);
             BundleJsCss = conf.GetOrDefault<bool>("bundlejscss", true);
             ExternalUrl = conf.GetOrDefault<Uri>("externalurl", null);
+
+            RootPath = conf.GetOrDefault<string>("rootpath", "/");
+
             var old = conf.GetOrDefault<Uri>("internallightningnode", null);
             if(old != null)
                 throw new ConfigException($"internallightningnode should not be used anymore, use btclightning instead");
         }
-
+        public string RootPath { get; set; }
         public Dictionary<string, LightningConnectionString> InternalLightningByCryptoCode { get; set; } = new Dictionary<string, LightningConnectionString>();
 
         public BTCPayNetworkProvider NetworkProvider { get; set; }
diff --git a/BTCPayServer/Configuration/DefaultConfiguration.cs b/BTCPayServer/Configuration/DefaultConfiguration.cs
index 769bce1f6..a25fb5bbd 100644
--- a/BTCPayServer/Configuration/DefaultConfiguration.cs
+++ b/BTCPayServer/Configuration/DefaultConfiguration.cs
@@ -31,6 +31,9 @@ namespace BTCPayServer.Configuration
             app.Option("--regtest | -regtest", $"Use regtest (Deprecated, use --network instead)", CommandOptionType.BoolValue);
             app.Option("--chains | -c", $"Chains to support comma separated (default: btc, available: {chains})", CommandOptionType.SingleValue);
             app.Option("--postgres", $"Connection string to postgres database (default: sqlite is used)", CommandOptionType.SingleValue);
+            app.Option("--externalurl", $"The expected external url of this service, to use if BTCPay is behind a reverse proxy (default: empty, use the incoming HTTP request to figure out)", CommandOptionType.SingleValue);
+            app.Option("--bundlejscss", $"Bundle javascript and css files for better performance (default: true)", CommandOptionType.SingleValue);
+            app.Option("--rootpath", "The root path in the URL to access BTCPay (default: /)", CommandOptionType.SingleValue);
             foreach (var network in provider.GetAll())
             {
                 var crypto = network.CryptoCode.ToLowerInvariant();
@@ -38,8 +41,6 @@ namespace BTCPayServer.Configuration
                 app.Option($"--{crypto}explorercookiefile", $"Path to the cookie file (default: {network.NBXplorerNetwork.DefaultSettings.DefaultCookieFile})", CommandOptionType.SingleValue);
                 app.Option($"--{crypto}lightning", $"Easy configuration of lightning for the server adnistrator: Must be a unix socket of CLightning (lightning-rpc) or URL to a charge server (default: empty)", CommandOptionType.SingleValue);
             }
-            app.Option("--externalurl", $"The expected external url of this service, to use if BTCPay is behind a reverse proxy (default: empty, use the incoming HTTP request to figure out)", CommandOptionType.SingleValue);
-            app.Option("--bundlejscss", $"Bundle javascript and css files for better performance (default: true)", CommandOptionType.SingleValue);
             return app;
         }
 
diff --git a/BTCPayServer/Hosting/Startup.cs b/BTCPayServer/Hosting/Startup.cs
index afa361675..fe3792f5b 100644
--- a/BTCPayServer/Hosting/Startup.cs
+++ b/BTCPayServer/Hosting/Startup.cs
@@ -147,7 +147,25 @@ namespace BTCPayServer.Hosting
             IApplicationBuilder app,
             IHostingEnvironment env,
             IServiceProvider prov,
+            BTCPayServerOptions options,
             ILoggerFactory loggerFactory)
+        {
+            Logs.Configure(loggerFactory);
+            Logs.Configuration.LogInformation($"Root Path: {options.RootPath}");
+            if (options.RootPath.Equals("/", StringComparison.OrdinalIgnoreCase))
+            {
+                ConfigureCore(app, env, prov, loggerFactory);
+            }
+            else
+            {
+                app.Map(options.RootPath, appChild =>
+                {
+                    ConfigureCore(appChild, env, prov, loggerFactory);
+                });
+            }
+        }
+
+        private static void ConfigureCore(IApplicationBuilder app, IHostingEnvironment env, IServiceProvider prov, ILoggerFactory loggerFactory)
         {
             if (env.IsDevelopment())
             {
@@ -155,9 +173,6 @@ namespace BTCPayServer.Hosting
                 app.UseBrowserLink();
             }
 
-
-            Logs.Configure(loggerFactory);
-
             //App insight do not that by itself...
             loggerFactory.AddApplicationInsights(prov, LogLevel.Information);